V 



148 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 8 



Bibliography 



1908. Patch, E. The Saddled Prominent. Maine Agri. Exp. Sta. Orono, Bull- 



No. 161. 



1909. Wahl, B. Ueber die Polyederkrankheit der Nonne {Lymantria monacha L.) 



Centralblatt fur das gesamte Forstwesen. Mitteilung der K. K. Pflan- 

 zenschutzstation in Wien, II; Trunnerstrasse 1. 



1910. Wolff, M. Ueber eine neue Krankheit der Raupe von Bupalus piniarius L. 



In: Mitteilung des Kaiser Wilhelm-Institutes fiir Landwirtschaft in Brom- 



berg. Bd. Ill; Heft 2; S. 69-92. 

 1910. AiNSLiE, C. W. The New Mexico Range Caterpillar. U. S. Dept. Agr., Bur. 



of Ent., Bui. No. 85. Part V. 

 1912. Hyslop, J. A. The AlfaKa Looper. U. S. Dept. Agri., Bur. of Ent., Bull. No. 



95, Part VII. 



1912. Prowazek, v. Untersuchungen iiber die Gelbsucht der Seidenraupen. Cen- 

 tralblatt fiir Bakteriologie, Parasitenkunde und Infektionskrankheiten. Bd. 

 LXVII; S. 268-284; Taf. 2; Text-fig. 1. 



1912. Wahl, B. Ueber die Polyederkrankheit der Nonne (Lymantria monacha) V. 



Centralblatt fiir das gesamte Forstwesen. Mitteilung der K. K. Pflanzen- 

 sehutzstation in Wien, II; Trunnerstrasse 1. 



1913. Escherich, K. Neues iiber Polyederkrankheiten. Naturwissenschaftliche 



Zeitschrif t fiir Forst- und Landwirtschaft. Heft 2 ; S. 86-97 ; Text-fig. 1 . 



1913. Glaser, R. W., and Chapman, J. W. The Wilt Disease of Gipsy Moth 



Caterpillars. Jour, of Economic Ent. Vol. VI; No. 6, pp. 479-488. 



1914. Escherich, K. Die Forstinsekten Mitteleuropas. Berhn, Paul Parey; Bd. 



I; S. 299-304. 



1914. WiLDERMUTH, V. L. The AlfaKa Caterpillar. U. S. Dept. Agri., Bur. of 

 Ent., BuU. No. 124. 



Explanation of Plate 6 



Note. — Each figure consists of one microscopic field of ten adjacent polyhedra. 

 Two measurements are given under each figure. The first refers to the average size 

 of the ten polyhedra given in each figure. The second is the average of five such 

 microscopic fields. 



Fig. 1. Polyhedra of a Gipsy moth caterpillar. 



(Average size 3.4^ and 3.39^1) 

 Fig. 2. Polyhedra of a Nun moth caterpillar. 



(Average size 2.65/i and 2.43^) 

 Fig. 3. Polyhedra of a Forest tent caterpillar. 



(Average size 2.6ai and 2.5m) 

 Fig. 4. Polyhedra of a silkworm. 



(After Prowazek) Mag. 1400 diam. 

 Fig. 5. Polyhedra of an Apple tent caterpillar. 



(Average size 2.05/x and 2.2/x) 

 Fig. 6. Polyhedra of a Tussock moth caterpillar. 



(Average size 1.5/j and 1.64^) 

 Fig. 7. Polyhedra of an army worm. 



(Average size 2.3/x and 1.88^) 

 Fig. 8. Polyhedra of a Phryganidia caterpillar. 

 (Average size 1.6,u) 



