0)NTi:nt.s. vii 



XLIll. Ses-jile-c'ved UnistacoiiiiM. lis tin- IJiv. '1'. ]{. li. Stkh- 

 niNo, M. A. ( Plates XV. Sc XVJ.) . . . .' :;-2i 



Note on Parmnccllm (jracilis, (iray, by 'V. I). A. Cockerell; On the 

 Development of Sponges (Sp»nf/il/a Jlitviafilis), by M. Yves 

 De'lage ; On the Development of the Ula.stodermic Layers in 

 Isopod Crustacea {I'orci-llii) scalier), by M. Louis Roule ; On the 

 Development of the Mewderni of ( -'rustacea, and on that of the 

 Organs derived from it, by M. Louis Roule 331 — 335 



NUMBER XLVIL 



XLIV. Some Notes on British Ophiurids. ByF. Jeffrey Bell, 

 M.A., Sec.R.M.S .' 337 



XLV. Remarks on the Genus Heterolepis, Smith. By G. A. 



BOULENGER 344 



XLVI. Description of a new European Frog. By G. A. 



BoULENGER [ 340 



XLVII. Natural History Notes from H.M. Indian Marine Survey 

 Steamer 'Investigator,' Commander R. F. Iloskyn, R.N., com- 

 mar.ding. — Series II., No. 1. On the Results of Deep-sea Dredging 

 during the Season 181)0-91. By J. Wood-Mason, Superintendent 

 of the Indian Museum, and Professor of Comparative Anatomv in the 

 Medical College of Bengal, and A. Alcock, M.B., Surgeon' I.M.S., 

 Surgeon-Naturalist to the Survey 353 



XLVIII. The Biological Import of Amitotic (Direct) Nuclear 

 Division in the Animal Kingdom. By H. E. Zikgler, Ph.D., 

 Extra-ordinary Professor of Zoology, Freiburg i, B 362 



XLIX. On new Species oi Histeridce. By George Lewis .... 380 



L. Description of a new Sciucoid Lizard from North-westeni 

 Australia. By G. A. Boulenger 405 



Ad Historiam Cucumariae, by F. Jeffrey Bell ; ^'Uupodosaurus longo- 

 bardicus," by G. A. Boulenger ; On the Habits of Gobius 

 minutus, by Fr6d(5ric Guitel ; On tlie Excretory Apparatus of 

 the Can'didce, and on the Renal Secretion of the Crustacea, by 

 M. P. Marchal ; On the Circulatory and Respiratory Apparatus 

 of certain Arthropods, by M. A. Schneider ; On the Arterial 

 System of Isopods, by M. A. Schneider 406 — 412 



NUMBER XLVIII. 



LI. On the Development of Ilolothurians. By Dr. Hcbert 

 LUDWIG 413 



