H. W. Burroivs — A Bryozoan from Mekran Coast. 303 



DOSINIA Sp. 



Fig. 8. — Left valve, showing partial sculpture and internal characters : drawn from 

 a wax impression of specimen. 

 ,, 9. — Magnified view of shell ornamentation. 



,, 10. — Internal natural cast of same specimen, showing muscular scar impressions, 

 pallial line, and lanceolate sinus. 



PLATE XVII. 



DOLITJM TOWNSENDI, U.Sp. 



Pig. 1. — Dorsal view of specimen. 



DoLiuM cf. HocHSTETTERi, Martin. 



,, 2. — Dorsal aspect of the larger-sized specimen. 

 ,, 3. — Smaller specimen, showing tmsted columella. 



Lampusia cf. AFFiNis, Doshayes. 



,, 4.— Specimen showing lateral varices. 



Neptunea Burrowsi, n.sp. 



,, 5. — General view of specimen, showing anterior canal, with encrusting Mem- 



iranipora on spire. 

 ,, 6. — Another view of same specimen, showing shell structure. 

 ,, 7. — Magnified view of funiculate sculpture. 



TuGUEiuM (Xenophora) mekranense, n.sp. 

 ,, 8. — General view of specimen. 



,, 9. — Basal view of another specimen, showing reticulate ornamentation. 

 ,, 10. — Fragment of another specimen, showing external sculpturing and foreign 

 attachments at the suture. 



III. — Note on a Bryozoan attached to Neptunea found in one 

 OP THE Mekran Nodules. 



By Henry "W. Burrows, F.G.S. 



Membranipora Lacroixi (V. Audouin). 



Fluatra Lacroixil, V. Audouin: in J. C. Savigny's "Description de I'E'gypte," 



Hist. Nat. Polypes, Planches, 1817, vol. ii, pi. x, fig. 9 ; Explication des 



Planches, 1826, vol. i, pt. 4, p. 240. 

 Conopeum reticulum, J. E. Gray : List British Animals British Museum, pt. i. 



Radiated Animals, 1848, p. 108. 

 Membranipora Lacroixii, G. Busk : Cat. Marine Polyzoa British Museum, pt. ii, 



1854, p. 60, pi. Ixix, figs. 1-3. 

 Biflustra Lacroixii, F. A. Smitt: pt. ii of " Floridan Bryozoa," Kongl. Svenska 



Vetensk. - Akad. Handl. (Stockholm), 1873, vol. xi, No. 4, p. 18, pi. iv, 



figs. 85-88. 



For other references and synonyms, see Miss E. C. Jelly's 

 ■" A Synonymic Catalogue of the Eecent Marine Bryozoa, including 

 Fossil Synonyms," 1889, pp. 162-164. 



Diagnosis. —Zoarium, adnate. 



Zocecia, oved or ovato-quadrangular, often elongated ; area (usually) 

 coincident with the whole of the front of the cell (front ' wall ' 

 membranous in the living state). Margins thick, strongly crenulate. 



Ooecia, none. 



Avicularia (?), small, subcircular or roundedly triangular, situate in 

 the anterior angles of the space between the zocecial walls, sparsely 

 developed. 



