30 Inaecta. 
XII. Insecta. 
Cockerell, T. D. A. New American 
bees. ix. Entomologist London 1910 
(90-92). [ Hymenoptera .] 535 
Cockerell, T. D. A. A new mealy- 
bug ( Coccidae ) from South America. 
Entomologist London 1910 (113). 536 
Cockerell, T. D. A. Some insects in 
baltic amber. Entomologist 1910 (153- 
155). 537* 
Cockerell, T. D. A. Some bees of the 
genus Crocisa from Asia and Australia. 
Entomologist London 1910 (216-219). 
[Hymenoptera.] 538 
Cockerell, T. D. A. Some bees from 
high altitudes in the Himalaya moun- 
tains. Entomologist London 1910 
(238-242). [ Hymenoptera .] 539 
Cockerell, T. D. A. Some very small 
australian bees. Entomologist London 
1910 (262-264). [Hymenoptera.] 540 
Cockerell, T. D. A. Some african bees- 
of the genus Anthophora . Entomologist 
London 43 (337-339). [Hymenoptera.] 
541 
Cockerell, T. D. A. New bees of the 
genus Osmia from California. Ent. 
News Philadephia Pa. 21 1910 ( J 20— 
122). [Hymenoptera.] 542 
Cockerell, T. D. A. A new gall- 
making Psyllid on hackberry. Ent. 
News Philadephia Pa. 21 1910 (180- 
lSl). [Ilomoptera.] 543 
Cockerell, T. D. A. New and little- 
known western bees. Ent. News. 
Philadelphia Pa. 21 1910 (270-273). 
[Hymenoptera.] 544 
Cockerell, T. D. A. The classification 
of the Meloidae. Ent. News Philadel- 
phia Pa. 21 1910 (307). [Coleoptera.] 
545 
Cockerell, T. D. A. Notes on some 
Heliothid moths. Ent. News Phila- 
delphia Pa. 21 1910 (343-344). [Lepido- 
ptera.] 546 
Cockerell, T. D. A. Ponera opaciceps 
in Colorado. Ent. News Philadelphia 
Pa. 21 1910 (420). [Hymenoptera.] 547 
Cockerell, T. D. A. The Coccidae of 
Boulder county, Colorado. J. Econ. Ent 
Concord N.H. 3 1910 (425-430). pi. 
xxix. 548 
Cockerell, T. D. A. A link in the 
evolution of the bees. Nature London 
831910(311). [Hymenoptera.] 549 
[1910] 
Cockerell, T. D. A. Some Australian 
bees in the Berlin museum. New York 
N.Y. J. Ent. Soc. 18 1910 (98-114). 
[Hymenoptera.] 551 
Cockerell, T. D. A. Some bees of the 
genus Nomada from Washington state. 
Psyche Boston Mass. 17 1910 (91-98). 
[Hymenoptera.] 552 
Cockerell, T. D. A. Some Neotro- 
pical bees. Psyche Boston Mass. 17 
1910 (142-144). [Hymenoptera.] 553 
Cockerell, T. D. A. Some bees from 
Eldora, Colorado. Psyche Boston 
Mass. 17 1910 (244-247). [Hymeno- 
ptera.] 554 
Cockerell, T. D. A. Some bees from 
Ecuador. Psyche Boston Mass. 17 1910 
(247). [Hymenoptera.] 555 
Cockerell, T. D. A. Ants. Their 
structure, development and behavior ; 
by William Morton Wheeler. [Review.] 
Science New York N.Y. N. Ser. 31 1910 
(860-862). [Hymenoptera.] 556 
Cockerell, T. D. A. A new coccid of 
the genus Eriococcus. Washington D.C. 
Proc. Ent. Soc. 10 (1908) 1909 (167- 
168) . 557 
Cockerell, T. D. A. A new braconid of 
the genus Elasmosoma. Washington 
D.C. Proc. Ent. Soc. 10 (1908) 1909 (168 
169) . [Hymenoptera.] 558 
Cockerell, T. D. A. Some bees of the 
genus Augochlora from the West Indies. 
Washington D. C. Smithsonian Inst. 
Proc. U. S. Nation Mus. 37 (No. 1717) 
1910 (489-494). [Hymenoptera.] 559 
Cockerell, T. D. A. The North 
American bees of the genus Nomia. 
Washington D.C. Smithsonian Inst. 
Proc. U. S. Nation. Mus. 38 (No. 1745) 
1910 (289-298). [Hymenoptera.] 560 
Cockerell, T. D. A. and Falk, L. H. 
Two Coccidae new to Colorado. Ent. 
News Philadelphia Pa. 21 1910 (47). 
561 
Cockerell, T. D. A. and Robbins, 
W. W. An introduction to the study 
of Rocky mountain bees. Boulder 
Univ. Col. Stud. 7 1710 (179-195). 
[Hymenoptera.] 562 
