93 Insecta. 
Titles. 
3500 
Pergande, Then. The life history 
of the alder blight aphis. Washington 
D.C. U. S. Dept. Agric. Bur. Ent. Tech. 
Ser. No. 24 1912 (1-28). [Aphidae]. 
2060 
Perkins, R. C. L. Notes, with descrip- 
tions of new species, on aculeate 
Ilymenoptera of the Australian region. 
Ann. Mag. Nat. Hist. London 9 1912 
(96-121). 2061 
Perkins, R. C. L. Parasites of insects 
attacking sugar cane. Honolulu Exp. 
Sta. Hawaiian Sng. PI. Ass. Ent. Ser. 
Bull. No. 10 1912 (1-27). [Hymeno - 
ptera .] 2062 
Perkins, R. C. L. Parasites of the 
family Dryinidae. Honolulu Exp. Sta. 
Hawaiian Sug. PI. Ass. Ent. Ser. Bull. 
No. 11 1912 (1-20) pis. i-iv. [Ilymeno- 
ptera .] 2063 
Perkins, R. C. L. Somo corrections 
in literaturo on Hawaiian insects : 
and other remarks. Honolulu Proc. 
Hawaiian Ent. Soc. 2 (1910) 1912 (ISO- 
181). 2064 
Perkins, R. C. L. New species of 
Hawaiian Ilymenoptera, with notes on 
somo previously described. London 
Trans, ontom. Soc. 1911 1912 (7 19— 
727). 2065 
Perkins, R. 0. L. Notes on Hawaiian 
Hcmiptera , with descriptions of now 
species. London Trans, ontom. Soc. 
1911 1912 (728-737). 2066 
Perrin, J. and Russell, J. Catalogue 
of butterflies and moths, mostly col- 
lected in the neighbourhood of Halifax 
and Digby, Nova Scotia. Halifax 
Proc. Nova Scotia Inst. 12 1912 (258- 
290). [Lepidoptera.] 2067 
Peter. Zur Lebensgesclii elite dcr 
Dasselfliege ( Ilypoderma bovis). Berlin 
Mitt. D. landw! Ges. 27 1912 (156-163). 
[Diptera.] 2067a 
Peter, Carl. Versuche iiber das 
Horvermogen eines Schmetterlings (En- 
drosa v. ramosa.) Biol. Ceutralbl. 
Leipzig 32 1912 (724-731). {Lepido- 
ptera.] 2068 
Peter, Rudolf. Aberrationon-Ricche- 
rei ! Ent. Zs. Frankfurt a. M. 26 1912 
(85-86 89-90 94). 2069 
Peterson, Alvah. Anatomy of the 
tomato-worm larva, Protoparce Caro- 
lina. Ann. Ent. Soc. Amer. Columbus 
Ohio 5 1912 (246-269) pis. xix-xxi. 
[ Lepidoptera .] 2070 
Petersen, Esben. New and little- 
known species of Ephemerida from 
Argentine. D. ent. Zs. Berlin 1912 
(333-342). 2071 
Petersen, Esben. H. Sauter’s For- 
mosa-Ausbeute. Neuroptera Plani- 
pennia. Ent. Mitt. Berlin 1 1912 (197- 
198). 2072 
Petersen, Esben. A few new Neuro- 
ptera Planipennia. Ent. Mitt. Berlin 1 
1912 (267-273). 2073 
Petersen, Axel. Fire for den danske 
Fauna nye Diptera. Spania nigra , 
Hilara /lava, H. canes cens and II. 
griseola new for the Danish fauna. 
Kobenhavn Ent. Medd. 2den Racklce 
IV 1912 (354-358). 2074 
Petersen, Esben. Addition to the 
knowledge of the Neuropierous insoct 
fauna of Corsica. Kobenhavn Ent, 
Medd. 2den Raekke IV 1912 (348-353). 
2075 
Petersen, Esben. Neuroptera Daniea. 
Trichoptera. The Danish Trichoptera. 
Kobenhavn Flora og Fauna 1912 (1-8 
65-78). 2076 
Petersen, Hans. Beitrage zur ver- 
gloichonden Physiologic der Vordauung. 
5. Dio Vordauung der Honigbiono. 
Arch. gos. Physiol. Bonn 145 1912 (121- 
151). 2 Taf. [Ilymenoptera.] 2077 
Petri, Karl. Ein nouer Lixus aus 
Turkestan und Bemerkungen zu meiner 
Bestimmungstabelle des Genus Lixus 
Fabr. Ann. Hist.-Nat. Mus. Nat. 
Hung. Budapest 10 1912 (277-2801. 
[Coleoptera.] 2078 
Petri, Karl. Die Gattung Gastero- 
clisus Desbr. Ann. Hist.-Nat. Mus. Nat. 
Hung. Budapest 10 1912 (370-374). 
[Coleoptera.] 2079 
Petri, Karl. Siebenbiirgens Kafer- 
fauna auf Grund ihrer Erforschung bis 
zum Jahre 1911. (Hrsg. v. Siebenburg. 
Verein f. Naturwiss.) Hermannstadt 
(Druck v. J. Drotleff) Komm-Verl. 
Berlin (R. Friedliinder <fc S.) 1912 
(x -f- 376 Halbseiten). 26 cm. 8 M. 
[ Coleoptera .] 2080 
Petry, A. tlbor die deutschen an 
Artemisia lobonden Arten der Gattung 
Bucculatrix Z. nebst Beschreibung 
einer neuen Art. D. ent. Zs. Iris Berlin 
26 1912 (111-115). [Lepidoptera.] 2081 
