412 MESSES. MBLVILL AND STANDEE ON [June 18, 



Nassa (Uzita) nodicincta a. Ad. 



P.Gr. Gulf of Oman : Maskat. 10 fathoms, amongst coral-sand. 

 Is recorded from the Galapagos Islands. 



JSTassa (Niotha) albescens Dkr. 



Var. fenestrata Marr. 

 P.G. Elphinstone Inlet, very large. Jask. Maskat, sand and 

 beach. 



M.C. Ormara. 2 fathoms, sand. 



Nassa (Niotha) angbiasensis, sp. n. (Plate XXIII. fig. 13.) 

 N. testa ovato-gldbosa, apicalibus attenuatis, solidula, alba, 

 stramineo- et brunneo-fasciata ; anfractibus 8, quorum apicales 

 quatuor Iceves, apud medium unicarinati, subpellucentes , cceteris 

 leniter gradatis, ad suturas impressis, arete noduloso-costulatis 

 et cancellatis, interstitiis Icevibus, nodulis infra, juxta suturas, 

 magnis, nitidis, pemdtimo et antepenultimo anfractu unifasciatis, 

 uUim,o tribus fasciis brunneo-stramineis deeorato; apertiira ovata; 

 lahro percrasso, albo, nitido, extus crenulato, intus decemdenti- 

 culato ; columella nitida, paullum effusa, supra univaricosa, versus 

 hasim tridenticulata ; canali brevi, crasso, paullum recurvo. 

 Long. 10*50, lat. 6 mm. 



Hab. Angrias Bank, Arabian Sea (Capt. Tindall). 

 Allied most nearly to N. marginulata Lam., from which it can 

 be differentiated by its globose form, unicarinate protoconch, larger 

 sutural spiral nodules or gemmae, more elaboration of peristome, 

 and better defined denticulations within ; the characters of sculp- 

 ture, generally speaking, and of banding and coloration being 

 identical. 



Nassa (Niotha) gemmulata Lam. 



P.G. From 5-50 fathoms, often found attached to the Cable. 

 In the Gulf of Oman it was dredged, lat. 24° 55' N., long. 57° 

 59' E. ; 37 fathoms, sandy mud-bottom. 



I. Lat. 18° 58' N., 'long. 71° 45' E. ; 40 fathoms. Semi- 

 pellucid and fine-grained. 



Nassa (Niotha) kieneei Desh . 

 I. Karachi. 



Nassa (Niotha) ravida A. Ad. 



M.C. Very rare, without precise locality. 



Nassa (Niotha) soedida A. Ad. 



P.G. On Cable. I. Karachi. 5 fathoms, sandy mud. 



Nassa (Niotha) stigmaeia A. Ad. 

 P.G. Gulf of Oman, Maskat. 



I. Karachi, on hard sandy mud and coral-gravel. 

 Var. adamsiana Marr. 

 P.G. Kais (or Gais) Island. 14 fathoms. 



