ZIZYPHINUS. 



Plate III. 



Species 15. (Mus. Cuming.) 



ZiZYPHiNUs Tranqueb.^eicus. Zhypli. tesld stiblate 

 conoideu, anfractibus plano-decUvibus, spiraliier 

 Uneari-inc'ms, ad marginem basalem conspicue aiinu- 

 loso-ftmiculatis,funi interdum duplici, Jiavescenie, pal- 

 lide lividd, macuUs parvis carneo-rubidh nndique 

 lentiginosd et radiatd. 



The Tranqdebar Zizyphinds. Shell rather broadly 

 conoid, wliorls flatly sloping, spirally linearly en- 

 graved, conspicuously annulosely corded at the 

 basal margin, cords sometimes double, yellowish, 

 faintly livid, fi'eckled and rayed throughout with flesh- 

 red small spots. 



Trochns Tranquebaricua, Chemnitz, Conch. Cab. vol. v. 

 p. 68. pi. 166. ft'. 1595, 1596. 



Hab. Tranquebar. 



A smootli, glossy, flesh-spotted shell, encircled round 

 the basal edge of the whorls with a very conspicuous 

 double cord. 



at Fig. 10a is T. ciliaris from the north-west coast of .^-US- 

 tralia, described by Meuke, Moll. Nov. Holland, p. 17. 



Species 16. (Fig. a, b, c, Mus. Cuming.) 



ZlzyPHlNUS CONDLOIDES. Zizyph. testa suboblique conicd, 

 ad basin tumidiuscidd, anfractibus plano-declivibus, 

 interdum coiive.riusculis, spiraliter lineari-iiicisis vel 

 liraiis, ad marginem basalem niodice fnniculatis, Jla- 

 vescetite eel lividd, carneo-rufo plus minus maculatd. 

 The cone-like Zizyphinus. Shell rather obliquely 

 conical, a little swollen at the base, whorls flatly 

 sloping, sometimes rather convex, spirally linearly 

 engraved or ridged, moderately corded at the basal 

 edge of the whorl, yellowish or livid, more or less 

 blotched with flesh-red. 

 Trochus zizyphinus and conuloides, Lamarck, Anim. sans, 

 vert. vol. ix. p. 142. 

 Trochus discrepans. Brown. 

 Trochus Lyonsii, Leach. 

 Trochus albus, Wood. 

 Trochus ciliaris, Menke. 

 Trochus agreslis, Philippi. 

 Hab. European and Australian Seas. 



It is a curious feature in the geographical distribution 

 of this well-known species that it appears both in Eu- 

 ropean and Australian waters. The specimen represented 



Species 17. (^lus. Cuming.) 



ZlZYPHIxns EVGLYPTDS. Zizyph. tesld conicd, solidius- 

 culd, anfractibus superne concavis, deinde iumido-ro- 

 tundatis, nndique dense lineari-granatis ; Jlavescente 

 vel rosaceo-carned, plus minus obscure albo-jlammatd, 

 apice atro-purpureo. 



The well-engbaved Zizyphincs. Shell conical, rather 

 solid, whorls concave round the upper part, then 

 tumidly rounded, closely linearly grained throughout. 

 yellowish or rose-tinted flesh ; more or less obscurely 

 white-flamed, apex dark-pui-ple. 



Adams, Pro. Zool. Soc. 1854, p. 38. 



Ilah. Tasmania. 



A solid, tumidly bulging shell, minutely linearly grained 

 throughout, of a roseate-flesh hue, obscurely flamed with 

 white, and possessing a peculiar dark-purple apex. 



Species 18. (Mus. Cuming.) 



Zizyphinus canalicclatus. Zizyph. testd acute late 

 conicd, ad basin concavo-planatd, anfractibus declivibus, 

 nndique aunuloso-liratis, liris lavibus, iuterstitiis 

 conspicue excavatis, prcecipue ad suturas ; olivaceo- 

 luted, in interstitiis saluratiore. 



The cuannellitd Zizyphinus. Shell shaii^ly broaiUy 

 conical, concavely flattened at the base, whorls 

 sloping, annulosely ridged throughout, ridges smooth, 

 interstices conspicuously excavated ; especially at 

 the sutures, olive-yellow, dai-ker in the interstices. 



Trochus canaliculatus, ^lartyn, Univ. Conch, vol. i. pi. 33. 

 Trochus doliarius, Chemnitz. 

 Trochus doliarius, Chemnitz. 

 Zizyphiuus canaliculatus. Gray. 

 Zizyphinus doliarius, Adams. 



Hab. Australia, New Zeal.uid. 



Both the sharply-defined ringed sculpture and the buff 



colouring of this species are constant. 



Januarv, 1S63. 



