CATALOGUE 



OF 



MAZATLAN MOLLUSCA. 



CLASS BRYOZOA. Ehr, 



Betozoa ; Ehrenherg, Corall. des Both. Meeres, 153. — Jones An. 

 Kingd. ITi—Wl .—Owen Led. 93— 101.— ^m^ommz Sf Milne- 

 Edwards in Lam. An. s. Vert. ii. 104, 2de edi.— Carpenter 

 Princ. Comp. Pkys. ed. iv. pp. 50 — 58. 



PoLYzoA, J. V. Thompson, Zool. Res. Mem. v. 92.— J. E. Gray 

 in St/n. B. M. I'i'i.— Johnstons Br. Zooph., i. p. 253, ed. 2 : 

 V. note. p. 254,.— Busk in Ann. Nat. Hist. 2nd Ser. vol. 10. 

 p. 362. 



MoLLUrfCAN Zoophytes s. Zoophyta Ascidioida, Johnst. in 



Mag. Zool. Sf Bot. i. 418. 

 Ciliobeachiata, Farre in Phil. Trans. 1837. 

 Polypes tuniciens, M. Edto. Mem. 16. 



Order I. BRYOZOA INFUNDIBULATA. 



P. Gervais in Ann. dcs 8c. Nat. vii. 79. — Johnst. Br. Zooph. i. 

 255. 



Suborder I. CHEILOSTOMATA. 



Family MEMBEANIPOEIDiE. 

 Membraniporidse, Busk, B. M. Cat. p. 55. 



Genus MEMBRANIPOEA, Blainv. 

 Menbranipora, Busk, B. M. Cat. p. 56. 



1. Membranipoea denticulata, Busk, (n. s.J 



Areis cellularum rhomboideis .; aperturd inter iori tnargine 

 denticulato. 



The outline of the cells is usually distinctly defined by a 

 narrow brown luie. One or two rounded or triangular eminences 

 (probably ovicells,) are visible on many of the ceUs in front 



July, 1855. h 



