from the Persian Gulf, & 141 



A little like P. crocatn, Reeve, in form, but in this species 

 the whorls are far more angular and echinate. From /'. 

 helli*, Mel v. ( =neglecta, Sowb.), it differs in much finer and 

 more freqnent spiral liration, the interstices in both sp< 

 being spirally striate but much finer in character, and as 

 •A to 2 in townsendi compared with gasktlli. General form 

 identical. 



We dedicate this most interesting species to its discoverer, 

 and T am indebted to Mr. <i. B. Sowerby for caning niv 

 attention to it and confirming my view that it needed 

 description. 



Mitra vaccinator f } sp. n. (PI. TV. fig - . G.) 



M. testa oblongo-fusiformi, solidula, strarainea, infra suturas ei 

 centraliter tloccis albis variegata; anfractibas ad 8, Bubgradatis, 

 6uturaliter vix impressis, undique arctissime regulariter sulcis 

 spiralibas praeditis, longitudinahter decuc - cellatis, ultimo 

 aufractu caeteris magnopere exaequante; apertura angusta, ob- 

 longa, labro paullum efl'uso, columella quadriplicate, subobliqua. 



Long. 26, lat. 10 mm. 



Hal>. Persian Gulf, off Muscat, Arabia. 



I have, in company with the late Mr. Edgar Smith, com- 

 pared this species with its near allies, when we considered 

 that it differed from all others. In Hze it comes nearest to 

 M. guttata, Sw., and in general appearance is similar to that 

 species, but the decussate cancellation is here much finer and 

 more regular. Likewi.se, in guttata the spiral lines are some- 

 what distant. In M. solida, Reeve, found in the region we 

 are treating of by 3Ir. Townsend, the whorls are more tumid 

 and the sutures deep. In the larger and coarser M. ambigua 

 and fulva, both of Swainson, the build of the shell is the 

 same, but the details coarser and cancellation absent. 

 M . jloccata, Rve., is allied in the character of its marking, a> 

 its name would imply, but here, again, the somewhat ventri- 

 cose whorls and the sutural arrangements differ. 



Mitra [Pusia) iteina%, sp. n. (PI. IV. fig. 7.) 



M. testa ovato-oblonga, solidula, albo-straminea ; anfractibus ad 

 11-12, ad suturaa impressis, undique arctissime costulatia, et 

 spiraliter cancellatis, interstitiis quadratis, ultimo anfractu infra 



* Journ. of Conch, vi. 1891, p. 406, pi. ii. fig. 5. 

 t Vaticinator, a seer or prophet. 

 J irt'u'os, basket or osier-work. 



