446 messes, melt ill a\i) standex ox [June 18, 



appearance. Aperture narrowly oblong : outer lip thickened, with 

 a very shallow, small, but broad sinus; columella straight, and 

 canal short. 



Superficially like G. polynesiensis Eeeve, but widely differing in 

 character of ribs and greater attenuation of form. 



Clathueella tixcta Rve. 



I. Karachi. Occurs at very low tide, amongst mud and weed 

 on rocks. 



Var. lemniscata Xevill (sp.). 



I. Bombay (Abercrombie), with the type in shell-sand. 



Dosovama bicolob. Melv. 



Lackesis bicolor Melv. Mem. Manch. Soc. vol. xlii. part 2 (1898), 

 no. 4, p. 14. pi. i. tig. 27. 



P.G. No special locality given. 

 M.C. Cbarbar, rarely. 



Cythaea EBiTHyi, sp. n. (Plate XXIV. fig. 11.) 

 C. testa gravid, fusiformi, alba, castaneo-tincta ; aafractibus 8-9, 

 quorum apieales duo vel tres calcarei, albi, loeves, ceteris eleganter 

 recticostatis, costis paucis, in antepemdtimo quinque, penultimo 

 et ultimo sex, plerumque obscure castaneo variegatis, undique 

 spiraliter sub hate arctissime et delieatissime striatis t apud suturas 

 multum impressis j aperlura angusta t oblanga, labro extus paul- 

 lumeffuso, inerassato 9 dorsaliter pallide castaneo-maculato, intus 

 recto; columella alba, recta, minute multidenticulata. 

 Long. 10"25, hit. 3 mm., sp.maj. 

 Hob. Gulf of Oman. Maskat. 10 fathoms. 



Allied to C. cilhara Gould, but more graceful and fewer-ribbed : 

 a species, too, of which we have not been able to find a description. 

 G. tenuilirata Eve. is also akin to our species, we having closelv 

 compared it ; but it differs in form, the number of costae being 

 identical. 



Cythaea grvliata G. & H. Xevill. 



I. Bombay {Rev. 8. B. FairbanJe) (A. Abercrombie ?). 



Cythaea hypeecalles Melv. 



P.G. Gulf of Oman, Maskat. 20 fathoms, sandy mud. 



C'vthaba typhonota 1 , sp. n. (Plate XXIV. fig. 12.) 



0. testa alba, solidiuscula, ultimo anfractu dorsaliter apud medium 

 nigregeenti-tasniato ; anfractibua oeto, gradatis, apud suturas 

 impressis, longitudinaliter recticostatis, costis ultimwn apud an- 

 fraetum 12,fere lasvibus, sub lente spiraliter obscure undiqyu 

 tenuistratis ; apertura oblonga, labro simplict (juveniW); 

 columella fere recta. 



Long. 8, lat. 1*50 mm. 



P.G. Tumb Island. 17 fathoms, sand. 



1 rv<pos, smoke ; vwros, back. 



