I 



Zoological Society. 411 



of the cell-theory was purely anatomical ; and that the attempts which 

 had been made to base upon it some physiological explanation of the 

 facts of life, — by the assumption of cell-force, metabolic force, &c. 

 &c.,— were no more philosophical than the old notions of actions of 

 the vessels, &c., of which physiologists have lately taken so much 

 pains to get rid. 



ZOOLOGICAL SOCIETY. 



March 25, 185 1 .—William Yarrell, Esq,, Vice-President, in the Chair. 



Descriptions of new species of Nassa, in the Collection 

 OF Hugh Cuming, Esq. By Arthur Adams, F.L.S. etc. 



[Continued from p. 325.] 



Subgenus Alectrion, Montfort. 

 Shell bucciniform ; spire elevated ; inner Up with the callus mode- 

 rately developed ; outer Hp dentate, or serrate at the margin. 



A. Shell papillose ; inner lip spread. 

 1. Nassa seminodosa, A. Adams. N. testd ovato-conicd, acu- 

 minatd, lavi, nitidd. fulvo-fuscescente ,• suturd tuberculis moni- 

 li/ormibus ornatd ; longitudinaliter plicatd, plicis superrie sub- 

 nodulosis ; anfractu ultimo antice transversim sulcata, labia lavi, 

 cum calla tenui expanso abtecto, labra antici dentata intus li- 

 rata. 

 Hab. Island of Annaa, South Seas, on the reefs {H. C). Mus. 

 Cuming. 



B. Shell smooth, polished. 



1. Nassa mucronata, A. Adams. N. testd ovato-conicd, sub- 

 lavi, nitidd, langitudinaliter plicatd, lutescenti fusco variegatd; 

 anfractibus rotundatis, ultimo gibbaso ; spird acutd, mucronatd ; 

 labia Icevi ; labra intus lirato. 



Hab. Dumaguete, isle of Negros, 11 fathoms, black sand {H. C). 

 Mus. Cuming. 



2. Nassa obliquata, A. Adams. iV. testd ovato-conicd, obliqud, 

 ItEvissimd, nitidd; lineis fuscis transversis, fascid pallidd ornatd, 

 cinerescente, alba variegatd; labia lavi, simplici; labra intus 

 lirato. 



Hab. Cagayan, province of Misamis, island of Mindanao, sandy 

 mud, 25 fathoms {H. C). Mus. Cuming. 



3. Nassa punctata, A. Adams. N. testd ovato-canicd ; spird 

 acuminatd, leevi, cinered, albida punctatd, lineolis fuscis transversis 

 ornatd ; labia calla tenui expanse tecta ; columella rugasd ; labra 

 extus incrassato, intus lirato. 



Hab. Puerto Galero, province of Albay, isle of Luzon, coarse sand, 

 6 fathoms {H. C). Mus. Cuming. 



4. Nassa lentiginosa, A. Adams. N. testd ovato-conicd; 



27* 



