SHELFORD, BLATTODEA. 43 



Fam. Oxyhaloidie. 



Gen. Oxylialoa Br. 



Key to E. African species. 



1. Tegmina smooth O. jerreti Reich e and Fairm. 



r. Tegmina with minute recumbent pubescence. 



2. Tegmina attaining end of abdomen .... 0. deusta Thunb. 



2' Tegmina not attaining end of abdomen. . . 0. variabilis Shelf. 



Oxyhaloa variabilis Shelf. 

 Oxyhaloa variabilis Shelford, Ann. Mag. Nat. Hist. (7) vol. 19, p. 41. 1907. 



Kilimandjaro : Kibonoto 1,000 — 1,300 metres (Feb., Apr., Nov.); 3 ?. Previ- 

 ously recorded from the interior of Djibouti. The species is very close to O. deusta 

 Thunb. {^ fulviceps Burm.), whicli together with O. jerreti Reiche and Fairm. has 

 been recorded from Lake Jipe at Kihmandjaro (von der Decken). 



Fam. Perispluieriid*. 



Gen. Oyiiopeltis Gerst. 

 (T.vii()i»eitis eryptospila Wlk. 



Polyphaga cryptospila Walker, Cat. Blatt. Brit. Mus., p. 15 (1868). 

 Gynopeltis picta Gerstaecker, Arch. Naturg. XXXV, p. 208 (18(59); Von der Decken's Ri-isen 



in Ost-Afrika, III (2), p. 9, pi. 1, ff. 1, 2 (1873). 



Kilimandjaro »Mischwald»; Kibonoto 1,000 — 1,900 metres; Steppe country. 

 i¥ej« 3,000 metres. 4 J'cf, 10??. Previously recorded from Endara and Mosambique. 



Gen. Derocalyinin.i Burm. 

 The two East African species can be distinguished as foUows: 



Males. 



1. Body-length 19 nmi., antennae entirely fuscous porcellio (Jerst. 



r. Body length 15 mm., antennae with broad pale annul us . . lampyrina Gerst. 



Females. 



1. Length of pronotum : breadth of pronotum : : 550 : 935; antennae 



enterely fuscous porcellio Gerst. 



r. Length of pronotum : breadth of pronotum : : 550 : 1050; anten- 

 nae with broad pale annulus at base and at apex lampyrina Gerst, 



