G A L A T E A 



Plate IV. 



Spcfies 5. (Fig. a, i, c, Mus. (Uniiiii-.) 

 Galatea Kocilll. Gal. leUa omdo-sMnyvnd, Ueciijald, 

 tetmimculd, plerumqice radiatd ; latere postico obiit- 

 sissinie angulato, ad terminum rotundnto, ante atig/i- 

 liint depresso ; latere antico breviuscnlu ; iiiarijiiie ilor- 

 sali dfciivi ; margine ventrali letiter conciiru, mile 

 iinguliiM cix excavalo ; margine cardhiaU. aiigimluix- 

 ciilo ; denlibiis disriiptis ; iimbuiuhiis moderate proiui- 

 nadibn,. 



Kocii's Galatea. Shell ovate-subtrigonal, smooth, ra- 

 ther thin, generally rayed ; posterior side very ob- 

 tusely angular, rounded at the end, depressed in 

 front of the angles ; anterior side rather shorter, with 

 dorsal margin sloped ; ventral margin slightly con- 

 cave, scarcely excavated in front of the angle ; car- 

 dinal margin rather narrow ; teeth broken up ; uni- 

 boes moderately prominent. 

 Bebnaudi, Monographic des Genres Galatea et Fischieria, 

 p. -l-l. pi. iv. figs. 3, 4, 0, (>, 7, 8, et pi. 9, f. 

 G, 7. 

 Hab. Central Africa. 



From the small rayed shell, tigureil by Eernardi as the 

 type, I should have supposed this species to be founded 

 on a young Galatea radiata ; at the same time, the um- 

 boes are but little elevated, the hinge-margin narrow, the 

 central tooth of the right valve very divergent, and the 

 internal callosities wanting. The larger .specimen in Mr. 

 Cuming's collection is, on the other hand, very distinct 

 and characteristic. This again differs from Galatea Cail- 

 laudi in the much less truncated form of the posterior. 



teeth obliipie; |.(i-lerior side rath 

 angular, a little excavated in froii 

 dorsal margin straight, .sloped, tern 

 licpiely truncated ; anterior side sic 

 boe.s not prominent. 



unudly 

 luigle ; 



Bkunardi, Mon. G 

 Hab. Africa. 



+.3. 



Species 7. (Figs, a, b, Mus. Brit, and Sowerby.) 



Galatea IIeukelomii. 



obloiigd, IfPvigatd, rr 

 mediaiid ruitnild, mli. 

 purpnreo riirn-ijutii ■ 



Gal. testa obtuse trigomi, sidi- 



rnxcii, (III uiitrghii'n el pustice 

 ro .'.n-niiscido, obtii- 



tal. 



sksiiie aiignluto ; latere iiidh-o uiigiistatu ,- mitrghiv 

 dursali declivi ; margine vurdnudi hdo ,- inidionibnx 

 gibbosis, dejjressis, obtiisis. 



Heukelom's Galatea. Shell obtusely trigonal, rather 

 lengthened, smooth, thick, rayed ^vith a posterior 

 and median band, rose-coloured within, varied with 

 purple at the edges and posterior parts ; posterior 

 side rather short, very obtusely angular ; anterior 

 side narrow, with dorsal margin sloped ; cardinal 

 margin wide ; uniboes gibbous, depressed, obtuse. 



Bernaudi, Monographic des Genres Galatea et Fischie- 

 ria, p. 30. pi. vi. f. 3, i. 



This species 

 but the gibbo. 

 shortness of tin 

 to distinguish i 



some varieties of Galatea lata. 

 umbiies, and the comparntivi' 

 ^ide nuiv be considered surticient 



Species 6. (Mus. ? copied.) 



Galatea CAlLLAUuri. Gal. tesld ovalo-snblrigond, ob- 

 loiigd, lavigald. teiiin, inlns alba, pallide etfrideo 

 pictd ; margine cnrdiiiali niigiixlatd : dentibiis cen- 



tralibim obli'/ms .- /,d,-n' po.sticn longiiisciilo, mliiuda- 

 liin ungiilatu, aide uiiguhiiii jiaido e-ccaoulo ; margine 

 dorsali recto, declivi ; margine lerminali oblique triin- 

 cato ; latere ant ico aiiperiie decliri ; uiiibohibiis hand 

 promiiieiitibiis. 

 C^aillaud's Galatea. Shell ovately subtrigoiial, ob- 

 long, smooth, thin, white uitliiii, faintly painted 

 with purple; hinge-margin narrow, with central 



^pecles 



(Mu 



Galatea Cumingii. Gal. testa rraxsd. oblongo-snblri- 

 gond, subreiitricosd, concentrice sabriigatd, iktns alba ; 

 margine cardinali eloiigato, crasso, deiite cenlrali ral- 

 vidie dexlra diraricato, ligameidi f'idcro prrelerato ,• 

 latere /indlco pmdu.-tn, bnuigid.di), ad lenuiinnn 

 triineald, ante iiiigiiliiui dr/irrs-so ; margine rent rati 

 ante angel inn e.iracalo ; latere antico breviasculo. 



Cuming's Galatea. Shell thick, oblong-subtrigonal, 

 subveutricose. concentrically slightly wrinkled, while 

 within; eanlinal nuu-in long, thick, with eenlral 



her, ISGS. 



