30 Insecta. 
XII. Insecta. 
[1909] 
Cockerell, T. D. A. Descriptions and 
records of bees. xxi. Ann. Mag. Nat. 
Hist. London ser. 8 4 1909 (25-31). 
[Hymenoptera.] 533 
Cockerell, T. D. A. Descriptions and 
records of bees. xxii. Ann. Mag. Nat. 
Hist. London ser. 8 4 1909 (309-317). 
1 Hymenoptera .] 534 
Cockerell, T. D. A. Descriptions and 
records of bees, xxiii. Ann. Mag. Nat. 
Hist. London ser. 8 4 1909 (393-404). 
[Hymenoptera.'] 535 
Cockerell, T. D. A. Two new bees. 
Canad. Entom. London Can. 41 1909 
(35-37). [ Hymenoptera .] 536 
Cockerell, T. D. A. The Japanese 
Coccidae. Canad. Entom. London Can. 
41 1909 (55 & 56). 537 
Cockerell, T. D. A. Some new bees 
and other notes. Canad. Entom. Lon- 
don Can. 41 1909 (128-131). [Hymeno- 
ptera.] 538 
Cockerell, T. D. A. A new gall-gnat 
on Artemisia. Canad. Entom. London 
Can. 41 1909 (150). 539 
Cockerell, T. D. A. Two new bees 
of the genus Perdita, visiting Baileya 
in New Mexico. Canad. Entom. Lon- 
don Can. 41 1909 (151 & 152). [Hy- 
menoptera.] 540 
Cockerell, T. D. A. Two fossil Ghry- 
sopidae. Canad. Entom. London Can. 
41 1909 (218). [Neuroptera.] 541 
Cockerell, T. D. A. Notes on bees. 
Canad. Entom. London Can. 41 1909 
(334 & 335). [Hymenoptera.] 542 
Cockerell, T. D. A. New North 
American bees. Canad. Entom. London 
Can. 41 1909 (393-395). [Hymeno- 
ptera.] 543 
Cockerell, T. D. A. Some new bees 
of the genus Coelioxys. Ent. News 
Philadelphia Pa. 20 1909 (8-9). [Api- 
dae.] 544 
Cockerell, T. D. A. Two fossil bees. 
Ent. News Philadelphia Pa. 20 1909 
(159-161). [Hymenoptera.] 545 
Cockerell, T. D. A. Diadasia nitidi- 
frons and D. skinneri. Ent. News 
Philadelphia Pa. 20 1909 (206). [Hy- 
menoptera.] 546 
Cockerell, T. D. A. Description of 
a Mexican Aleyrodes. Ent. News 
Philadelphia Pa. 20 1909 (215). [Ilomo- 
ptera.] 547 
Cockerell, T. D. A. Some anthidino 
bees. Ent. News Philadelphia Pa. 20 
1909 (261-262). [Hymenoptera.] 548 
Cockerell, T. D. A. Thecla blenina 
Hew. (siva Edw.). Ent. News Phila- 
delphia Pa. 20 1909 (322). [Lepido- 
ptera.] 549 
Cockerell, T. D. A. Osmia mandi- 
bularis Cresson. Ent. News Phila- 
delphia Pa. 20 1909 (363-364). [Hy- 
menoptera.] 550 
Cockerell, T. D. A. New American 
bees. viii. Entomologist London 42 
1909 (92-95). [Hymenoptera.] 551 
Cockerell, T. D. A. A new bee of the 
genus Megachile from Africa. Ento- 
mologist London 42 1909 (144). [Hy- 
menoptera.] 552 
Cockerell, T. D. A. Three new An- 
thophorid bees from Texas. Ento- 
mologist London 42 1909 (147-149). 
[Hymenoptera.] 553 
Cockerell, T. D. A. Fossil insects 
from Colorado. Entomologist London 
42 1909 (170-174). 554 
Cockerell, T. D. A. A now bee of 
the genus Habropoda from Assam. 
Entomologist London 42 1909 (308). 
[Hymenoptera.] 555 
Cockerell, T. D. A. Some European 
fossil bees. Entomologist London 42 
1909 (313-317). [Hymenoptera.] 556 
Cockerell, T. D. A. Some European 
bees. Ent. Rec. London 21 1909 (269). 
[Hymenoptera.] 557 
Cockerell, T. D. A. Diestrammena 
marmorata in Colorado. J. Econ. Ent. 
Concord N.H. 2 1909 (79). [Ortho- 
ptera.] 558 
Cockerell, T. D. A. A new bee of the 
genus Halictus. Kobenliavn Flora og 
Fauna 1909 (9). [Hymenoptera.] 559 
Cockerell, T. D. A. Descriptions of 
Hymenoptera from Baltic Amber. Ko- 
nigsberg Sclir. physik Ges. 50 1909 (1- 
20). 560 
Cockerell, T. D. A. Some additional 
bees from Prussian amber. Konigsberg 
Schr. physik. Ges. 50 1909 (21-25). 
[Hymenoptera.] 561 
Cockerell, T . D. A. Another fossil 
Tsetse lly. Naturo London 80 1909 
(128). [Diptera.] 562 
