352 M. o. A. L. morch's review of the VERMEiiD^. [Nov. 12, 



Hab. Ins. Philippin. (Mus. Cuming). The affixed side docs not 

 show any trace of the nodules of the type. 



Yar. /). TENUIS (Aletes), 



T. Icete aurantiaca, teiiuiuscula, laterallter affixa, irregulariter 

 spiralis ; anfr. contigui convexi, suturis dilatatis alhescentibus 

 crenulati, liris parvis remotis; strice et rugce incrementi validce, 

 suturam versus incrassatce,dilatatcB,plance ; anfr .ultimus loiigus, 

 solutus, rugis incrementi expressis, liris longitiidinalibus obso- 

 letissimis ; apertura deflexa ; lira columelluris compressa acuta. 



Diam. anfr. ult. 4-4| m., anfr. penult. 5-6 m. 



Hab. Ins. Philippin. {ISIvs. Cuming^ on a Heteropora. 



This variety is much thinner in the shell than the two preceding. 



9. Vermetits (Thylacodus ?) carinatus, Q. & G. 1833. 



T. glomerata, ocata, triquetra, carinata, transversiin striata, 

 cinerascens ; apertura intus rotunda. 



" L' animal (dans I'esprit de vin) a une teinte brune, et d'assez 

 longs tentacules pour sa grandeur, portant une ligne noire sur leur 

 longueur. 



"L'opercule est 'long' et peu profond." — Q. ^' 6?. (fig. 26 en- 

 larged). 



Vermetns carinatus, Q. & G. Voy. I'Astr. ii. p. 298, t. 67. f. 24-26. 



Vermetus carinatus, Mrs. Gray, Figs. i. t. .56. f. 1, 1 a. 



Siphonium carinatum, Gray, fig. 4. p. 82 ; Adams, Gen. i. p. 357. 

 lin. 12 (non lin. 6). 



Hab. Island of Guam (Q. ^- G.). 



I have seen forms, which I regard as intermediate between V. ocfo- 

 sectus, Carp., and F. cereus, Carp., approaching to this. 



10. Vermetus lilacinus, Morch. 



T. aggregata, subcylindrica, spiraliter torta, pulcherrime lilacina; 

 anfr. teretes contigui, ultimi scepe soliiti ; sutura dilatata alba ; 

 lircB longitudinales obsolete remotes parva ; ruga incrementi 

 remotce vel interdum approximatcB, suturam versus incrassatce 

 et furcates ; anfr. ultimus solutus breviusculus ; latninee pa- 

 rietales brevissimce {fractio7ie ?), ad colutnellam approximatee ; 

 lira columellaris mediana acutiuscula. 



Diam. aperturse fere 3 m. 



Hab. Zanzibar (Coll. Dunkeri). A group of about sixteen spe- 

 cimens, attached to a Bivonia. 



Var. a. (Thylacodus). 



Serpula, Humphrey, Conch, t. xi. f. 17. 



Hab. Zanzibar (Mus. Cuming) ; one small group of nine speci- 

 mens, and a larger group composed of about thirty-five specimens, 

 with some agglutinated green pebbles. The coluraellar lira is well 

 marked, but I cannot discover any laminae as in Professor Bunker's 

 specimens. The young shells show a strong tint of brownish, and 

 the adult have sometimes a few spots of the same colour. Verm. 



