144 Mr. H. W. Bates on the Longicorn Coteoptera 



at the tips of short stout pedicels. The head-lobes are small, 

 white, and pectinate. The foot is very small and narrow. Un- 

 fortunately, owing to a gale suddenly springing up and cap- 

 sizing my arrangements, I was unable to note any peculiarities 

 of the neck-lappets and lateral filaments. 



GlypMs quadriradiata, Sow. 



An examination of the animals of P. P. Carpenter's group of 

 Fissurellids, which he has appropriately named Glyphis, on ac- 

 count of their beautiful sculpture, is the more important as they 

 cannot from their shells alone be distinguished from Lucapina 

 of Gray, with which, in our ' Genera,' my brother and myself 

 have associated them. 



The animal of this species is semiopake, milk-white. Tenta- 

 cles moderate ; eyes large and black, on prominent tubercles at 

 their outer bases. Muzzle short and rounded. Mantle double- 

 edged, the outer or upper margin simple and plain, and just 

 turned over the edge of the shell, the lower forming an expanded 

 membranous curtain, fissured in front, extending considerably 

 beyond the shell, and overhanging the foot ; the margin plain, 

 simple. Sides with a row of short, opake-white, conical papillae 

 (nine on each side). Foot ovate, moderate, rather acuminate 

 behind. The species occurs in Japan ; but my living animal 

 was dredged from 29 fathoms, stones and shingle, in a tide-race 

 at the extreme point of the Regent's Sword. 



XIX. — Contributions to an Insect Fauna of the Amazon Valley. 

 CoLEOPTERA : LoNGicoRNES. By H. W. Bates, Esq. 

 [Continued from p. 56.] 

 Genus Seriphus, nov. gen. 

 Body oblong-ovate, convex, setose. [Forehead and muzzle 

 short, as in the Leiopodinse generally. Antennae elongated, 

 hair-like, setose both above and beneath. Thorax convex ; lateral 

 spines tuberculiform, and placed behind the middle. Elytra 

 free from tubercles and ridges, obtusely truncated. Legs mode- 

 rate; thighs clavate; basal joint of hind tarsi about equal to 

 the two following taken together. 



S Apical ventral segment obtusely rounded; dorsal sharply 

 truncated, with the angles distinct. 

 $ unknown. 



The species which constitutes this genus would probably be 

 better placed in a section or subgenus of Sporetus. It differs 

 greatly from the Sporeti in colour, being of a rich changeable 

 silky-green hue. 



