1904.] NATURAL SCIENCES OF PHILADELPHIA. 73 



Genus MARMESSOIDEA Brunner. 



1893. Mannessoidea Brunner, Ann. Mus. Civ. Stor. Nat. Genova, XXXIII, 

 pp. 84 and 85. 



Included marmessus Westwood and ruhescens Saussure, of which 



the former was considered the type by Brunner {vide supra, p. 86). 



Marmessoidea marmessus (Westwood). 



1859. Necroscia Marmessus Westwood, Cat. Orth. Ins. Brit. Mus., I, p. 149, 

 PI. XIX, figs. 1 and 7, PL XXIX, fig. 4. [Malacca; Sarawak, Borneo; 

 Sumatra.] 



Four specimens; two males, two females; Trong, Lower Siam. (Dr. 

 W. L. Abbott.) [U. S. N. M.] Goenong Soegi, Ijampong, Sumatra. 

 October-November, 1901. (A. C. Harrison, Jr., and Dr. H. M. Hiller.) 

 [A. N. S. Phila.] 



The male from Sumatra has the maculations of the tegmina circular, 

 as in the form provisionally named euryhates by Westwood. The two 

 Trong specimens are both typical individuals. 



Marmessoidea cercyon (Westwood). 



1859. Necroscia cercyon Westwood, Cat. Orth. Ins. Brit. Mus., I, p. 146, 

 PI. XXXIV, fig. 1. [Pulo Penang, Malacca.] 



One female; Khow Sai Dow, Trong, Lower Siam (1,000 feet). Janu- 

 ary-February, 1899. (Dr. W. L. Abbott.) [U. S. N. M.] 



As the female of this species has never been described, a few notes on 

 the abdominal appendages and the measurements may be of interest- 



Ninth dorsal segment strongly tectate, the median ridge very promi- 

 nent, apex bluntly angulate. Cerci subequal, apically blunt, very 

 slightly exceeding the apex of the subgenital opercule. Subgenital oper- 

 cule cymbiform, acmninate ; apex very deeply and narrowly emarginate. 



jMeasurements. 



Total length, 76.3 mm. 



Length of pronotum, 4 " 



Length of mesonotum, 13.5 " 



Length of abdomen, 41 " 



Length of tegmina, 7.2 " 



Length of wings, 44 " 



Length of anterior femora, 21 " 



Length of anterior tibiae, 22 " 



Length of median femora, 13.5" 



I^ength of posterior femora, 19.5 " 



Marmessoidea pMuctainoides-^ n. sp. 



Types. — (J and $ ; Yokohama, Japan. (Rev, H, Loomis.) [Coll. 

 A, N. S. Phila. (types) and A. N. Caudell.] 



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