41 



Turhonilla Humboldti, Risso, Hist. IV. 394. /. 63. male. Testa 

 junior. 



Tornatella? clalhrata, Fhil. Enum. 166. 



/3. gracilis, angustata. 



Lat. H — 14- ,. Lon<T. apertse. 14 ,. 



-f = -^—z — --^ Im. : 7 ^-r~i — = ~r ""- 



Long. 5 Long, testae 5 



Anfractus 8 in utraque varietate. 



Hab. in mari Maderensi, rara ; vv. Animal omnino lacteum. 



Dredged in deep water in the bay called Labra at P'" Sao Lou- 

 ren^o, in the spring of 1827, by H. Richardson, Esq. This shell in 

 form resembles a Bulinus. 



2. Pahthenia Terebra. P. testa elongato-turrita, gracili, sen- 

 sim attenuata : anfractibus convexitisculis, transverse obsolete 

 costatis s. plicatis, striisque exiguis, concinnis, crebris, spiralibns, 

 alias creberrimas, transversas, ienuissimas, plicasque decussanti- 

 bus : sutura distincta, impressa. 



Lat. 2 ,. Lons:. apertse. li ,. , ^ ,^ 



7 = -=- hn. : Y- — . . = -^ lin. Anfr. 1 2. 



Long. 7 Long, testae 7 



Turritella cancellata, Risso, Hist, IV. 110./. 40? 



Hab. in mari Maderensi cum priore rariss. v. m. 



Of two examples dredged up without the animal, one is in perfect 

 condition. The columella is quite simple, without any fold or plait. 

 The whole shell is sub-opake or milk-white, and in form resembles a 

 Turritella. 



3. Parthenia elegantissima. p. testa elongato-turrita, gracili. 

 sensim attenuata, lavi : anfractibus convexiusculis, costis trans- 

 versis validis, latis, obliquis, confertis, eequis sculptis : interstitiis 

 lavibus, costis angustioribus : sutura simplici, distincta : colu- 

 mella postice subtorta. 



Lat. vix 1 ,. Lons?. apertse. f ,. , 1§ -n- 



7 = -^- lin. : T ^—r-l = -^ lin- ^'^1 ttj milhm. 



, Long. 3 Long, testae A fa^ 



Anfr. 9-11. 



Turbo elegantissimus, Mont. Turt., &c., &c. 

 Turritella elegantissima, Flem. Brit. An. 303. n". 218. 

 Eulima elegantissima, Risso, Hist. IV. 123. n°. 296. 

 Melania Campanellce, Phil. Enum. 156. i. 9./. 5 ? 



Hab. in mari Britannico, Mediterraneo ; Maderensi, rariss. vv. 

 Animal lacteum, omnino ut in P. bulinea, nisi quod tentacula obtu- 

 siora sunt. 



Dredged with the former. Found also in 1824 at Slieean Ferry, 

 near Appin, in Argyleshire. 



Aliae species videntur : 

 4. Parthenia crenata (Turbo crcnatus, Mont, inedit. Melania rufa. 



