158 PHYLLOBRANCHIA. TURBONIDZE. 
Shell very highly turrited; its suture deep; its aperture 
round and entire; its peritreme notched; its operculum 
horny. 
Animal with its mouth cylindric, not much elongated. Ten- 
tacles short and rather obtuse. Foot short and thick. 
a | 
8. 
9. 
Synopsis Specierum. 
* Testa altissimé turritd. 
terebra. Testa pallido-brunned aut rufo-brunnea, apice 
acuta; anfractibus sexdecim, crenulatis, et transversim 
striolatis. 
elegantissima. Testa nitidissimA, semitransparente, brunnea; 
anfractibus tredecim, planis, transversim costatis; costis 
rectis. 
Clealandiana. Testa tenui, transparente, nitente, alba, apice 
obtusa ; anfractibus novem, inflatis, obliqué ascendentibus 
et obliqué costatis. 
. nitidissima. Testa fragili, nitidissima, transparente, fus- 
cescente; anfractibus novem, inflatis; suturavaldé distincta. 
** Testd moderatim elevatd. 
vitrea. Testa pallidé azurea, glaberrima ; anfractibus sex ; 
sutura valdé distincta. 
Dorvilleana. ‘Testa alba aut flavescente ; anfractibus quin- 
que, inflatis, reticulatis ; interstitus reticulatis et impresso- 
punctulatis. 
eburnea. Testa eburnea, glaberrima, nitente ; anfractibus 
sex, tumidis; sutura valdé distincta. 
nivea. Testa nivea, polita; anfractibus lineolis plurimis 
spiralibus sculptis. 
nitida. Testa nitida, glabra, polita, albida; anfractibus 
novem, globosis; sutura valde distincta. 
10. Danmoniensis. Testa albida; anfractibus octo, transversim 
costatis ; lineis longitudinalibus elevatis sculptis; sutura 
non valde distincta. 
