270 SCARABTJS. 



small, sub-quadrate ; pedicle scaly. Ohs. This genus and Smi- 

 lium, are tlie only Pedunculated Cirripedes whicli have thirteen 

 valves ; in the latter genus, which we think should at any rate 

 be united to this, the valves are somewhat differently placed, 

 and the pedicle is said to be smooth. Scalpellum vulgare, 

 British. PI. ii. fig. 35. and S. peronii, PI. ii. fig. 36. 



SCAPHA. Klein. {A boat.) Navicella, Auct. 



SCAPHA. Yoluta vespertdio, &c. 



SCAPHANDEE. Montf. A sub-genus of Bullidse represented 

 by Bulla lignaria, Auct. Eig. 251. Several species are de- 

 scribed in Adams' Monograph, No. 11. Sowerby's Thesaurus. 



SCAPHELLA. Sw. A genus of the family " Yolutinje," Sw. 

 thus described : " Shell smooth, almost polished ; outer lip 

 thickened internally ; suture enamelled ; lower plaits the small- 

 est ; apex of the spire various : 1. fusiformis. Sw. Bligh. Cat. 2. 

 undulatus. Ex. Conch, pi. 27. 3. Junonia, Thesaurus Conchy- 

 liorum, pi. 49. fig. 44. stromboides. 5. papillosa. Sw. Sow. 

 gen." Sw. Malac. p. 318. 



SCAPHITES. {A boat.) Fam. Ammonacea, Lam. and Bl. — 

 Descr. Convolute, chambered, closely related to the Ammonites, 

 from which it differs in the last whorl being eccentrically straight- 

 ened, and lengthened, and again incurved towards the extremity. 

 Only known in a fossil state. S. sequalis. PL xxiii. fig. 481. 



SCAPHULA. Sw. A genus of " Olivust^," Sw. thus described : 

 '* Spire very short, thick, obtuse, and not defined ; aperture very 

 wide, with only two or three oblique plaits at the base. Oliva 

 patula. Sow. Tank. Cat. 2331. (b.)" (Sw. p. 332.) and [O. 

 auricularia, Lamarck. 



SCAEiABUS. Montf. {Scarabceus, a kind of beetle.) Fam. Coli- 

 macea. Lam. Auriculacea, Per. — -Descr. Oval, somewhat com- 

 pressed, smooth, with sKghtly raised varices ; spire equal in 

 length to the aperture, pointed, consisting of various whorls ; 

 aperture ovate, rounded anteriorly, pointed posteriorly, modified 

 by the last whorl ; outer lip sub-reflected, with several promi- 

 nent folds on the inner edge ; inner lip spread over a portion of 

 the body whorls, with several prominent folds. — Obs. The sheUa 



