410 PERCY SLADEN TRUST EXPEDITION 
a. Third tarsal joint with asymmetrical lobes; rostrum longer in ¢ than in $; 
prothorax subquadrate, 4-tuberculate; elytra tuberculate and with 
abruptly dilated laminiform humeri; eyes present; body setulose. 
a. Prothorax not granulate; elytra not margined laterally, humeri angulate 
or subangulate in front .. a ; ee ... humeroalatus. 
b*. Prothorax granulate; elytra margined bitsy, humeri rounded 
ampliatus. 
b. Third tarsal joint with symmetrical lobes, simply excavate above in the smaller 
forms. 
Gc} 
Kyes present. : 
a*, Body glabrous; prothorax subquadrate ; elytral humeri not prominent ; 
rostrum about equal in length in the two sexes. 
3 
a’. Prothorax suleate, 4-tuberculate; elytra irregularly foveate; third tarsal 
joint bilobed ; eyes rather large ; second ventral segment with a stout 
tubercle in g es ee be 43 : ... foveatus. 
b*. Prothorax 5-costate ; alternate Seal interstices snseenapeedlly costate ; 
eyes small; third tarsal joint feebly bilobed ... .. carmifenr: 
c’. Prothorax canaliculate; alternate elytral interstices uninterruptedly 
costate; eyes small ... sce ... canaliculatus. 
‘ 
b*. Body setulose; third tarsal jomt small, font lets or excavate. 
d*. Prothorax subquadrate; elytral humeri dentiform; eyes small. 
4 
a’. Hlytra subcordate or subglobose. 
Alternate elytral interstices simply raised, the first (sutural) with a 
a’. 
setigerous tubercle beyond middle in ¢ .. = 6uneristatus, 
b’. Alternate elytral interstices interruptedly costate or tuberculate 
er Osus. 
b*. Elytra convex, subglobose, alternate interstices interruptedly costate 
spheropterus. 
e 
Prothorax more rounded at sides; elytra short-oval, convex, humeri not 
prominent: species very small ... ie ... nucrophthalmus. 
d'. Eyes wanting; prothorax elongate, with long, cucullate, anterior lobe; 
elytra oval, humeri not prominent ... Aes 206 ..  CHCUS: 
15. Cycloterinus humeroalatus. (Pl. 22, figs. 138, 13a, 3.) 
Cycloterinus humeroalatus Kolbe, Mitteil. Zool. Mus. Berl., v. p. 42 (1910). 
Loc. Seychelles: Mahé, Silhouette. Mahé: a large number of specimens ; high damp 
forest of Morne Blane and Pilot, X.—XI. 1908; high damp forest between Trois Fréres 
and Morne Seychellois, 1500—2000 feet, XII. 1908 and I. 1909; forest above Cascade 
Estate, I. 1909; Mare aux Cochons district, 1000—2000 feet, I.—II. 1909; forest on 
summit of “Montagne Anse Major,” ca. 2000 feet, II. 1909. Silhouette: only two 
specimens, from forest near Mont Pot-a-eau, ca. 1500 feet, VIII. 1908. 
The types of this species were found in Mahé by Herr A. Brauer, beneath leaves 
on the ground im the high forests, at an elevation of 600—750 metres. Mr Scott 

