266 Mr. G. Newport on new species of Myria^ioda. 



body jet-black, polished ; lateral plates bright yellow ; legs brown. 

 Length 1| inch. Philippine Islands. 



4. P. elegans, Gray. 



5. — bifasciatus, mihi. Dark olive, with the antennae, margins of 

 the lateral jjlates, and two longitudinal dorsal lines, yellow ; an- 

 tennae short, lateral plates declined. Length 2 inches. Philip- 

 pine Islands. 



6. — Afer, Gray. Body depressed, reddish brown, legs yellowish ; 

 dorsal plates with three transverse rows of minute tubercles ; la- 

 teral plates elongated, tetragonal, with an elevated curved mar- 

 ginal line. Length 2^ inches. Africa. 



7. — Leachii, Gray. North America. 



8. — Grayii, mihi. Body smooth, depressed, brown, with the lateral 

 plates subtetragonal, rounded, with an elevated marginal line, 

 which on each alternate plate is waved and thickened. Length 

 2|- inches. Sierra Leone. 



9. — Drurii, Gray. Brownish ash-coloured ; dorsal surface of the 

 body convex, thickly covered with minute rough granulations ; 

 lateral plates subtetragonal, with the posterior angles acute ; an- 

 tennae short, joints roughened, obconic. Length 2f inches. De- 

 merara. 



10. — margaritiferus, Gervais, Philippine Islands. 



Genus Strongylosoma, Brandt. 



1. S. monilis, (sp.) Bonelli. 



2. — trilineata, mihi. Body convex, polished, j'^ellowish gray, with 

 the legs, antennae, and two broad lateral longitudinal fasciae and 

 one narrow median fascia, brown ; legs elongated. Length 1^ 

 inch. New Holland. 



Genus Cambala, Gray. 



Eyes disposed in a single, semilunar, transverse row on each side of 

 the head ; antennae short, subclavate, joints equal ; lateral plates 

 very short, spheroidal, reaching only halfway along each segment, 

 and terminating posteriorly in a simple raised line. 



1. C. lactaria. Say, (sp.) North America. 



I have derived the characters of this genus from the specimens 

 originally sent by Say to Dr. Leach. The only characters given 

 by Mr. Gray, in Griffith's ' Animal Kingdom/ are in the descrip- 

 tion of the plates, vol. ii. Insecta, page 784 : " 135. 2. Cambala 

 lactaria, 142. Brown, with the front edge of the rings dotted. 

 Allied to Tulis [lulus ?), but the head is furnished with a row of 

 minute okelli (ocelli) on each side.'' There is also an indistinct 

 representation of these ocelli on the plate. 



Genus Platops ? mihi. 



Head short, very small, and truncated on the frontal surface ; flat- 

 tened or slightly excavated ; eyes subtriangular ; antennae elon- 



