CONTENTS OF NUMBER 58.—Fifth Series, 
‘ae 
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XXYV. Embryogeny of the Bryozoa; an Attempt at a General — Bs 
Theory of their Development, founded upon the ee of eee Meta- | 
morphoses. By Dr. JULES BABROIS oS se oie oe) A Siete oh aaa 265 | 
XXVI. Notice of a eco Species of oS By Dr. 
GUNTHER 
XXVIII. On the Conario-hypophysial Cerebral Tract of Professor 
Owen. By Roper? Garnur, FRCS. POL Bo os. ee tees nae 280 
XXVIII. The Affinities of Palcocampa, Meek and Workea, age 
Hyidence of the wide Diversity of Type in the earliest known Myrio- 
pods. By SAMUEL FS SCUDDER 2 08). wile ae hee che ca meee 
XXIX. Diagnoses of new Species of Plewrotomide in the British, 
Museum. aes SWEDE cys. 296 
XXX. Cancinolostcal He eee on the Care ee cy. 
phea, and Arcosternus. By T..C. WINKLER ........-.-...5-5+.. 306 
XXXI. List of Lepidoptera recently collected by a Alfred 
Carpenter at Yedo and Od-Sima. By Artaur G. Buruer, F.LS., 
NOME Zi Dey BOG 3 ihc Oe a ese iere besa ace Sieben igh aa eee see BS 4 
XXXII. The Pelagic Fauna of Freshwater Lakes. et Prof. BR. pole 
WAS MOREE OS, cee Oe iS Os SN Oe aS Wha eae (320 
XXXIII. Description of a new Genus and Species of Feo of the | 
Family Hylide. By G. A. BoutencEr 
COREL a: 
On the Sexuality of the Common Oyster (Ostrea edulis) and that of 
the Portuguese Oyster (O. angulata). Artificial Fecundation of ~ 
the Portuguese Oyster. By M. Boucnon-BranpEty...... See 3) 9) 
On a Synthetic Type of Annelid ee Her Bsa a Com- 
mensal of Balanoglossus. By M. A . GrarD RE ie cto 330 
Orthocynodon, an Animal related to the Rhinoceros, from the Bridger l 
Eocene. By Wm. B. Scorr and Hunry F. Osporn .......-... 332 
On the Structure of the Head of Archeopteryx. By W. Dans i Neo ego 
On the Innervation of the Mantle of some Lamellibranchiate Mollusca. 
By M. L. Vrsnieron 
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