326 M. o. A. L. morch's review of the vermetid^. [Nov. 12, 



white ; the back is of a dirty brick -colour : a black streak, of the 

 breadth of the middle dorsal row of scales, runs along the body almost 

 to the tip of the tail ; this is crossed by short, transverse, black 

 bands, some of which do not correspond exactly in their lateral 

 halves ; on the sides a line of narrow, almost linear, black spots ; 

 underneath uniform yellowish white. 

 Dimensions of two specimens : — 



Length of head 0-010 0-013 



Length of tail 00-10 0055 



Total leugth 0-320 0-250 



Ventral shields 1 28 34 



Subcaudal shields 130 34 



The smaller specimen is in the British Museum. The larger spe- 

 cimen was sent to me from Canavieras. It was injured in the head, 

 and a few characters are not recognizable ; the smaller corresponds 

 with it in every particular. I received it from M. C. Gayleard, from 

 the Matta de S. Joao, a few leagues south from the city of Bahia. 

 This species differs from others in the shape of its head, which is dis- 

 tinct, in having a shorter body, broader ventral shields, and seventeen 

 rows of scales j but the dentition and coloration are very similar. 



7. Review of the VERMETiDiE. By Otto A. L. Morch (of 

 Copenhagen). (Part II.*) 



Genus Spiroglyphus, Daudin, Recueil, 1800, p. 39. 



Spiroglyphus, Gray, Guide, 1857, p. 127; Morch, Journ. Conch. 

 1859, viii. p. 360. 



Bivonia, Gray, Proc. Zool. Soc. 1847, p. 156 (nee Gray, nee 

 Cat. Brit. Mus. 1842, pp. 62 & 90) ; Gray, Figs, of Moll. 1850, 

 iv. p. 82 (not description) ; Adams, Genera, p. 358 (not the descrip- 

 tion) . 



Stoa, De Serres, Ann. des Sc. 1855, pi. 259. pp. 



T. plerumque planorbiformis corrodens; strice incrementi expresscB; 

 lircB spirales rarissime iriveniuntur. 



Operculum magnum crassum superne convexum, laminis concen- 

 tricis crassis ; inf erne planum concentrice liratum, centra mam- 

 milla cylindrica valida, peripheria margine angusto elevato scepe 

 compresso ; color sanguineus vel atro-purpureus. 



The shell of this genus is so similar to that of Stoa that it can 

 only be distinguished by the operculum, which is convex outside, flat 

 inside, with a central cylindrical wart, not mentioned either by Dr. 

 Gray (Guide), by Bivona, or Philippi. It has some relations to the 

 lid of Vermiculus, and in some respects it approaches that of Pyxi- 

 poma ; I know at least no true Vermetus which, according to the 

 lid, is more alHed to it. The colour varies in all the species from 

 bright purple to nearly black, and the surface from nearly flat to 

 very convex. I refer to this genus V. glomeratus, Biv., which only 



» See P. Z. S. 1861, p. 145. 



