DOLABIUFEKA. 



njin 



hicurvo, ciiUuso ,■ iiiiirijiiiv Imiali rcclu ; 



periori excuralo ; murg'oMus extenio et U'liiilatili siib- 



contractis. 

 The marbled Dolabkifera. Shell short, subqiiad- 



rate, thickened, straight ; beak rather short, wide, 



thick, with incurved, callous apex ; basal maririn 



straio-ht ; upper margin excavated ; external and 



terniiiial margins a little contracted. 

 Pease. 

 Hah. Sandwich Islands. 



Two specimens of the species here described are labelled 

 as above in the late Cuniingian collection. The name is 

 probably derived from the colouring of tlie animal. 



Species il. (Fig. a, ]\Ius. Brit.; b, copied. I 



DoLABRIFEUA AsciFEKA. Dol. tntd quadfalo-nuhln- 



gond, obloiiyd, crassri, irreyitlnri, tortud ; roslro n- 



Irorso, brevi, trigono ; apice calloso, lobtUo ; iiiargitie 



hamVi paulo couccxo ; margiiii- cxteriio medio mhcon- 



TllE UATCHET-BEARING DoLA liKIFERA. Shell Squari>h- 



subtrigonal, oblong, thick, irregular, tortuous; beak 

 thrown backw^irds, short, trigonal; apex callous, 

 lobed ; basal margin a little convex ; external mar- 

 gin a little contracted in the middle. 



Eaxg, Hist. Nat. des Aplysiens. 



Hab. ? 



Species 7. (Mus. Brit.1 



l>oLABRIFEKA OLIVACEA. Bol. tesid augiistd, recta, ob- 

 longd, medio rudiatini depressi) ; morgiiiibux reclix, 

 quadratvi ; rodro prodiiciu, Irigoim .■ iipice caUvno. 

 bilobalo. 



The OLIVACEOUS Uolabrifera. Shell narrow, straight, 

 oblong, radiately depressed in the middle; margins 

 sti-aight, square ; beak produced, trigonal ; apex 

 callous, bilol)ed. 



Pease. 



Hab. Sandwich islands. 



168 



P 



