322 Mr. T. D. A. Cockereli on the 
Network of radii and cireuli in apical field 
forming quadrate or subquadrate spaces, 
broken up by a secondary network of 
fine dines} cr ctee ten Sees Shee hee 9: 
8. Radii more numerous ........... sonics Oe Hypopleuron. 
Radi less, numerops|\ .%.f.: 3 iitecie sereis s Homostolus. 
9. Scales rather oblong, not twice as long as 
WINE. | Coane ts oa ae te ee eta eee Bassogigas. 
DCALES MONPOF ee weak a cee ete eee Neobythites & Dicrolene. 
Judging from the scales, it appears that Eretmichthys and 
Bassozetus form avery distinct group ; Monomitopus and 
Monomeropus also stand together well apart from the rest of 
the subfamily. These should be regarded as distinct tribes, 
at least. The other genera seem to be more closely related, 
forming all together a single fairly compact group. 
Eretmichthys remifer, Smith & Radcliffe. Type. Celebes 
(OS Sc eos 
Scales from caudal region oval, 2 mm. long or less; circuli 
not very dense; nucleus a little apicad of middle. 
Bassozetus robustus, Smith & Radcliffe. Type. Palawan 
Passage (U.S.N.M.). 
Scales long-oval ; nucleus near the middle. 
Bassozetus elonygatus, Smith & Radcliffe. Type. Celebes 
(U.S N.M.). 
This seems subgenerically distinct from B. robustus. 
Monomitopus microlepis, Smith & Radcliffe. Type. Between 
Cebu and Leyte (U.S.N.M.). 
This appears to be very distinct from the other species. 
The scales are about 2°75 mm. long and 1°25 broad, with the 
lateral radii absent, or at most represented by broken rudi- 
ments. The latero-basal radii are curved, and, aithough 
there are 14. to 20 basal radii, they run into one another, aud 
only 3 or 4 reach the nucleus. The system of fine lines 
between the circuli in the apical field is rather poorly 
developed. 
Monomitopus pallidus, Smith & Radcliffe. Type. Between 
Mindoro and Panay (U.S.N.M.). 
Scales 3 to 3°25 mm. long and about 1°70 broad; basal 
radii more parallel than in M. microlepis, more reaching the 
nuclear region ; widely spaced but very distinct lateral radii, 
o_o 
