130 MADEIRAN COLEOPTERA, 
385. Cassida hemispherica. 
Cassida hemispheerica, Hbst, Kaf. viii. 226 (1799). 
, Gyll., Ins. Suec. iv. 645 (1827). 
—— — , Lucas, Col. de ? Algérie, 514 (1849). 
, Woll., Ins. Mad, 440 (1854). 
Inhabits Madeira proper, the only specimen I have seen (which 
has been examined by M. Bohemann of Stockholm, and is now in the 
collection of the British Museum) haying been captured by myself at 
the head of the Ribeiro de S* Luzia in 1849. The species is re- 
corded also, by MM. Webb and Berthelot, in the Canary Islands. 



386. Cassida Rossii, n. sp. 
C. brevis ovato-rotundata pallida subviridescenti-flava, capite nigro, 
prothorace remote et minutissime punctulato subineequali, margine 
antico leviter undulato, angulis posticis acutis, elytris paulo 
distinctius punctatis, basin versus latis. 
Long. corp. lin. vix 24. 
C. almost of the same size and aspect as the C. hemispherica, but 
somewhat more glossy, and of a paler and yellower hue,—the 
head alone (unless indeed the specimen from which this description 
is compiled be immature) being black; also broader about the 
humeral region than that insect,—the widest part being more 
towards the base of the elytra (which causes the general outline to 
be rounder and less elliptical, or more ob-ovate). Prothoraw much 
more finely and remotely punctulated than in the C. hemispherica, 
and (as just intimated) proportionably broader behind ; also rather 
more uneven, there being a slight depression on the hinder disk 
(in front of the scutellum); and with its anterior margin more 
waved in its outline (or less regularly rounded),—causing the 
portion overtopping the head to be just perceptibly acuminated. 
Elytra more distinctly and closely punctured than the prothorax 
(but less coarsely and less densely so than in the C. hemispherica), 
wider anteriorly than the preceding species,—being also somewhat 
straighter about the shoulders, which is almost the widest part. 
Limbs as in that insect. 
The discovery of this interesting addition to our fauna is due to 
John J. Ross, Esq., who captured a single specimen from amongst 
long grass, near the Quinta known (by the English residents) as “ the 
Deanery,” on the northern outskirts of Funchal. It is nearly allied 
to the C. hemispherica, but certainly distinct therefrom (as will be 
readily gathered by a reference to the above comparative diagnosis) ; 
and, since I have not been able to identify it with any recognized 
species, I have named it after its captor,—by whom it has been 
presented to the British Museum collection. 
