REPORT 1863. 



Family Scalariadce. 



409. Scalaria Indianorum, P n. s. Between Titrtonis and communis : like " Geor- 



(fettina, Kien. Mus. Cum. no. 34, Brazil/' 



409 &. Scalaria ?var. tincta. Purple-brown behind: like rcgularis, without spiral 

 sculpture. 



410. Scalaria ?Cumingii, Cpr. P.Z.S. 1856, p. 165. 

 410 &. Scalaria ?gracilis, Sby. in Mus. Cum. 



411. Scalaria subcorotuita, n. s. Like young communis, with more and sharper ribs, 



faintly coronated when adolescent. 



412. Scalaria crebricostata, n. s.=Mus. Cum. no. 32: 15 sharp reflexed ribs, coro- 



nated against the sutures. 



413. Scalaria bettastriata, n. s. Shape like pretiosa, jun. : ribs very close, spinous 



at shoulder, crossed by spiral riblets. 



414. Opalia borealis, Gld. E. E. Very close to austmlis : obsolete forms like Ocho- 



tensis, Midd. 



415. Opalia (?crenatoides, var.) imcidpta. Like the C. S. L. form and crenaia, but 



ribs closer, without spiral sculpture, sutural holes behind the basal rib. 



416. Opalia spongiosa, n. s. Like small, veiy slender gramdata: surface riddled 



with deep punctures in spiral rows. 



417. Opalia retiporosa, n. s. Sculpture in network, with deep holes. 40 fm. d. r. Cp. 



418. Opalia buttata, n. s. Shape of Rissoina : with sutural bosses : no basal rib. 



Family Cerithiopsidce. 



419. Cerithiopsis tubercidata, Mont. fhbs. &Hanl. Agrees with the British rather 



than with the Mazatlan form, Cat. no. 557. 



420. Cerithiopsis columna, n. s. Very tall : nodules close, like strung figs. 



421. Cerithiopsis munita, n. s. Stout: strono-ly sculptured : base evenly ribbed. 



422. Cerithiopsis purpurey, n. s. Stained with purple : nodules fine : base finely 



lirate. 



423. Cerithiopsis fortior, n. s. Sculpture open : strong basal rib. 



424. Cerithiopsis assimilata, C. B. Ad. Maz. Cat. no. 563. With spiral keels. Prom 



Southern fauna. 



425. Triforis ?adversa, Mont. Fbs. & Hani. Agrees with British specimens. 10- 



40 fm. v. r. Cp. 



Family Cancellariada. 



-420. Cimcellaria modesta, n. s. Like Trickotrojris borealis, with two slanting |r<vjta 

 and spiral ribs travelling up the paries. See also p. 615 ; nos. 403, 8t7. 



146 



