iq6 
Psyche 
[June 
ACKNOWLEDGEMENTS 
I thank Dr. Ashley Gurney for determining the species. The 
specimens were collected in Brazil during Phase C of the Alpha 
Helix Expedition to the Amazon in 1967. I am grateful to the 
National Science Foundation for support on the Amazon Expedition 
under grant NSF-GB-5916. 
References Cited 
McKittrick, F. A. 
1964. Evolutionary studies of cockroaches. Cornell Univer. Agric. Exp. 
Sta. Mem. 389, 197 pp. 
Roth, L. M. 
1967a. Water changes in cockroach oothecae in relation to the evolution 
of ovoviviparity and viviparity. Ann. Entom. Soc. Amer. 60: 
928-946. 
1967b. The evolutionary significance of rotation of the ootheca in the 
Blattaria. Psyche 74: 85-103. 
1968a. Oothecae of the Blattaria. Ann. Entom. Soc. Amer. 61: 83-111. 
1968b. Ovarioles of the Blattaria. Ann. Entom. Soc. Amer. 61: 132-140. 
Roth, L. M. and B. Stay 
1962. Oocyte development in Blattella germanica and Blattella vaga 
(Blattaria). Ann. Entom. Amer. 55: 633-642. 
Roth, L. M. and E. R. Willis 
1955a. The water content of cockroach eggs during embryogenesis in 
relation to oviposition behavior. Jour. Exp. Zool. 128: 489-509. 
1958. An analysis of oviparity and viviparity in the Blattaria. Trans. 
Amer. Entom. Soc. 83: 221-238. 
Wille, J. 
1920. Biologie und Bekampfung der deutschen Schabe (Phyllodromia 
germanica L.). Monogr. Angew. Ent. Nr. 5, Zeit. Angew. Ent. 
Beiheft 1, Band 7, 140 pp. 
