Jahresbericht über die Bryozoen für 1888. 105 



Farn. Opesiulidae nov: Andreella nov. (1 Art). 



Andreella nov. gen: „Cryptocyste complet, portant de chaque cote une 

 opesiule en croissant; opesie en forme d'orifice et semi-lunaire. Onychocellaire 

 epizooeciaux. 



Cyclostomes. 



Fam. Crisidae: Crisia (1 Art); Tubulipora (1 Art). 

 Farn. Horneridae: Hornera (1 Art). 



Farn. Galeidae nov: Disporella (1 Art). — Neu D. spinulosa. 

 (Mission scientifique du Cap. Hörn 1882/83; Tome VI; Zool. 

 Bryozoaires; Paris 1888; 92 pag. und 15 Taf.). 



Th. Hincks beschreibt eine Collection Polyzoen vom St. 

 Lawrence : 



Fam. Bicellariidae: Corynoporella n. g. (1 Art). — Neu C. 

 tenuis. 



Corynoporella n. g. : Sterns slender, consisting of cells disposed in single 

 series and facing one way, dichotomously branched; zooecia more or less clavate, 

 each cell originating from the dorsal surface of the one beneath it, immediatly 

 below the summit, elougate, the inferior portion (from a little below the aper- 

 ture) mach attenuated, tubulär; aperture at the top of the cell, occupying a 

 small Proportion of its length. Avicularia articulated, attached to the side of 

 the aperture. 



Fam. Cellulariidae: Cellularia (1 Art). 



Fam. Cribrilinidae: Membraniporella (1 Art). — Neu M. 



crassicosta. 

 Fam. Membran iporidae: Membranipora (1 Art). 

 Fam. Escliaridae: Escharoides (1 Art); Porella (3 Arten). — 

 Neu P. proboscidea und var. plana der P. Skenei Ellis und 

 Sol.; Mucronella (1 Art); Smittia (1 Art). 

 Fam. Pedicellinidae: Barentsia (1 Art). — Neu B. major. 

 The Polyzoa of the St. Lawrence: a Study of Arctic Forms; 

 in: Ann. Mag. Natur. Eist. 6. Ser. Vol. I; vag. 214—227 mit 

 Taf. XIV und XV. 



A. Agassiz giebt eine Uebersicht über einige interessantere 

 Bryozoen der Expedition des „Blake". Abgebildet sind Crisia denti- 

 culata, Diastopora repens, Farciminaria delicatissima, Membranipora 

 canariensis, Cellularia cervicornis, Caberea retiformis, Vincularia 

 abyssicola, Escharipora stellata, Tessadroma boreale, Hippothoa bia- 

 perta, Cellepora margaritacea, Biflustra macrodon, Porina subsulcata, 

 Retepora reticulata und Heterepora spec. (Fig. 323—337). (Three 

 Cruises of the United States Coast and Geodetic Survey Steamer 

 „Blake"; Vol II — Bryozoa pag. 78—83). 



