1. A member of the Siouan people inhabiting the valleys of the Platte and Missouri rivers in Nebraska.
4. Wool of the alpaca.
10. A period marked by distinctive character or reckoned from a fixed point or event.
13. A reproach for some lapse or misdeed.
14. African tree having an exceedingly thick trunk and fruit that resembles a gourd and has an edible pulp called monkey bread.
15. A metric unit of volume or capacity equal to 10 liters.
16. Jordan's port.
18. A fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate.
19. A nucleic acid consisting of large molecules shaped like a double helix.
20. Tropical woody herb with showy yellow flowers and flat pods.
21. A sodium salt of carbonic acid.
23. (Akkadian) God of wisdom.
25. The capital and largest city of Yemen.
27. Typical geese.
30. Obvious and dull.
34. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
36. A Tibetan or Mongolian priest of Lamaism.
37. An agency of the United Nations affiliated with the World Bank.
41. A guided missile fired from shipboard against an airborne target.
42. English chemist who was a pioneer in electrochemistry and who used it to isolate elements sodium and potassium and barium and boron and calcium and magnesium and chlorine (1778-1829).
44. A South American shrub whose leaves are chewed by natives of the Andes.
45. A bachelor's degree in theology.
46. Large high frilly cap with a full crown.
48. A yellow quartz.
52. A unit of length of thread or yarn.
53. Highly excited.
57. A genus of Indriidae.
58. A period of time containing 365 (or 366) days.
59. Small genus of Eurasian aquatic perennial herbs.
60. A workplace for the conduct of scientific research.
61. Italian chemist noted for work on polymers (1903-1979).
64. The median ridge on the breastbone of birds that fly.
65. A flat wing-shaped process or winglike part of an organism.
66. Any of various plants of the family Cruciferae having edible pungent-tasting leaves.
67. Type genus of the Alcidae comprising solely the razorbill.

1. Toward the mouth or oral region.
2. The basic unit of money in Bangladesh.
3. Large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean.
4. A loose sleeveless outer garment made from aba cloth.
5. A white soft metallic element that tarnishes readily.
6. A genus of Procyonidae.
7. A port city in southwestern Iran.
8. A drug (trade names Calan and Isoptin) used as an oral or parenteral calcium blocker in cases of hypertension or congestive heart failure or angina or migraine.
9. The elementary stages of any subject (usually plural).
10. Tropical starchy tuberous root.
11. Type genus of the Ranidae.
12. By bad luck.
17. A short high tone produced as a signal or warning.
22. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
24. Any of various strong liquors distilled from the fermented sap of toddy palms or from fermented molasses.
26. The blood group whose red cells carry both the A and B antigens.
28. A quantity of no importance.
29. Speaking a Slavic language.
31. American political cartoonist (1840-1902).
32. A woman hired to suckle a child of someone else.
33. Young sheep.
35. An indehiscent fruit derived from a single ovary having one or many seeds within a fleshy wall or pericarp.
38. One who assists a minister in a liturgical service.
39. United States evangelist (born 1918).
40. The cry made by sheep.
43. Not only so, but.
47. A kind of heavy jacket (`windcheater' is a British term).
48. An official prosecutor for a judicial district.
49. Rounded like an egg.
50. A metabolic acid found in yeast and liver cells.
51. A bluish-white lustrous metallic element.
54. A Gaelic-speaking Celt in Ireland or Scotland or the Isle of Man.
55. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
56. Offering fun and gaiety.
62. A colorless and odorless inert gas.
63. A very poisonous metallic element that has three allotropic forms.