1901.] ilOLLFSKS FROM THE PERSIAN GCXF. 405 



the Andamanese C. puella Sowb. Under this latter name we have 

 from Mr. Townsend beautiful examples from the Mekran Coast. 



COLEMBELLA (SEMI>~ELLA) ATOMELLA DucloS. 



I. Seems to be the Bombay species, cast up in thousands below 

 Malabar Hill and elsewhere in shell-sand. It differs from the 

 species described below as C. melitoma in being; longer, slightly larger, 

 with straightened whorls ; ribs thick, smooth ; coloration more 

 uniform. 



Colembella (Seminella) melitoma ', sp. n. (Plate XXIII. 

 fig. 5.) 



C. testa miauta, ovato-obesa, subpelludda; anfractibus sex, quorum 

 tree apicales Iceves, olbo-laetei, oasteris turritis, ventricosulis, ad 

 suturas impressis, undique longitudinaliter costaiis, eostis crassis, 

 rectis, ad ultimum circa quatuordecim, flavo-pellucidis, nitidis, 

 heuissimis, supra juxta suturas, spiraliter cdbo-tceniatis, snipe 

 infra medium anfractus ultimi versus basim cnneellatis, Uris 

 gpiralibus delicatis, ad juncturas costarum minufissime e/emmu- 

 latis, ad basim fort iter sulctdosis ; apertura angusta, labro flavo, 

 leeui, incrassato, intus denticulato ; coliunella flava, simplici, fere 

 recta. 

 Long. '3-25, hit. 1-50 mm. 

 Hah. Karachi. 



A common species at the above-named locality. It is perfectly 

 distinct from all forms of C. seleisphora described in this paper ; 

 and, seemingly, the whorls are more ventricose than in C. atomclla 

 Duel., which is the Bombay species, according to our preseut 

 determinations. It is true C. atomella does not appear to have 

 been perfectly described, and accordingly some element of doubt 

 attaches to it. The present species (0. melitoma) differs in, as just 

 said, its ventricose whorls, thick ribs, smooth, excepting where 

 crossed by slender lira? towards the base of the body-whorl, aud 

 golden-yellow colour. The opaque white spiral band just below 

 the sutures is likewise characteristic. 



Columbella (Seminella) phaula 2 , sp. ii. (Plate XXIII. fig. 6.) 

 C. testa minuta, attenuato-fusiformi, tenui, sordide straminea vel 

 I ; anfractibus 5, quorum apicales duo scejh nigro-fusd, 

 ,/,,,/;. t ,,, longitudinaliter crassicostatis, eostis in ultimo anfractu 

 ad duod'C'n, interstitus Uevibus, planatis t ultimo anfractu ad 

 basim sulco-lirato ; apertura angusta, hrbro Icevi, interdum 

 pwrpureo-suffuso, intus pikmato ; columella rimplici. 

 Long. 2, lat. 1 mm. 

 Hub. Karachi. 



This very minute species, doubtless nearly allied to C. melitoma 

 aud others of thh group, is much tin- smallest of the Karachi 

 species, and the ribs are thicker in proportion to the size of the 

 shell. There is no trace of spiral lira! inn. nor has the lip any 

 denticles on the inner surface. The form is also more attenuate 

 and exiguous. 



1 itr\iru)fia, a lionpy-rake, from t ho golden rolour. 

 1 <pav\os, insignificant. 



