terno crasso, intus crenulato; aiitice sub-angustato ; ad canalem 

 posticum recedente, ad caualem anticum rectiusculo. 



Oval in general form, angular at the back, and otherwise dif- 

 fering from 0. ovum, in the retrocession of the inner Hp at the 

 posterior canal, and in the delicate violet colour of the mouth. 



From the Friendly Islands, Humph. Zanzebar, Cuming. 



3. OvuLUM CONCINNUM (pi. ci. f. 86, 87), &owerby,j'u,nf. 

 Moll. Voy. Samarang. 



O. testa parva, ventricosa, angulata, alba vel rosea, minutissime 

 striata ; dorso tumido, anguloso ; canaKbus brevibus obtusis, in- 

 tegris; apertura angusta; labio externo intiis denticulato, in 

 medio anguloso, labio interno postice tumorem angulosum cre- 

 nulatum ferente, interne longitudinaKter sulcato, antice angustato, 

 ad canalem posticum recedente, ad canalem anticum prominente, 

 angustato, sub-unipUcato. 



A miniature resemblance of 0. angulosum, more angular, minutely 

 striated, with a groove along the inner lip, and an elevated, an- 

 gular tumidity on the body whorl near the angle. It is white, or 

 pale rose. 



From the Island of Capul, Philippines, by Mr. Cuming ; and 

 off Loo-Choo, by Sir E. Belcher, in the Samarang. 



4). OvuLUM LACTEUM ( pi. ci. f. 67 to 69), Lamarck, Auim. 

 s. vert. vii. p. 368. 



O. testa ovata, Isevi, alba ; dorso ventricoso, sub-angulato, ob- 

 scure costeUato ; canalibus brevissimis, obtusis, vix emarginatis, 

 apertura angusta ; labio externo complanato, intiis deutato ; labio 

 interno intus longitudinaKter concavo, postice ad canalem angu- 

 loso, antice prope canalem angustato, ad canalem sub-uniplicato. 



Eesembhng 0. verrucosum in general form, but has not the cir- 

 cular " worts" wliich distinguish that species. 



From the Pacific Ocean, Spec. Conch. From Masbate, Zanze- 

 baT; Capul, and Pliihppines, Cuming. 



5. OvDLUM VERRUCOSUM (pi. ci. f. 78, l^),Lamarck. Anim. 

 s. vert. vii. 367. 



O. testa ventricosa ovali-subangulata, Isevi, alba ; dorso tumido, 

 leviter striato, in medio angulato, antice et postice prope extremi- 

 tates verruca circulari instructa ; canahbus brevissimis, ad extre- 

 mitates vaUde emarginatis, roseis ; labio externo in medio lato, 

 angulato intiis dentato, ad extremitates sub-productis ; labio in- 

 terno breviusculo, sub-complanato intiis compresso, antice an- 

 gustato. 



