CONTENTS. 



xiii 



II. M'Bain (James), M.D., R.N., Remarks on some Comparative 



Anatomical Distinctions between the Skull of the Manatus 

 senegalensis and that of a Manatee from the Bay of 

 Honduras. (Specimens exhibited), . . . 261 



III. Livingston (John S.), Historical Review of the State of our 



Knowledge respecting Metamorphism in the Mineral 

 Kingdom, with special regard to certain recent Researches, 267 



April 24, 1861. 



Logan (George), Memorial against Salmon Fisheries Act 



(Scotland), . . . . . 269 



I. Mitchell (J. M.), Some Statements in Cuvier's " Natural 

 History of Fishes," as to the Herring-, shown to be 

 erroneous, . ..... 269 



II. Wright (T. Strethill), M.D., Observations on British 



Zoophytes and Protozoa : — 

 (1.) On the Reproductive Elements of the Rhizopoda (Plate 



IX), 270 



(2.) On the Reproduction of Opliryodendron, . . 274 



(3.) On Dendrophyra radiata and T>. erecta (nov. gen. 



etsp.), ....... 276 



(4.) On Lecythia elegans (nov. gen. et sp.), . . 277 



Appendix to Coinistes reticularis (Koinistes retiformis), 



p. 91. (Woodcut), . . . . * . . 277 



Appendix to Hydractinia, vol. i. p. 192, . . . 283 



III. Dubuc (E. W.), M.D., R.N., Notes on Deep-Sea Soundings. 



Communicated by Mr James B. Davies, . . 286 



IV. Logan (George), Further Notice of the Herring and Sprat 



Fishery of the Firth of Forth, . ■ . .288 



Mitchell (J. M.), exhibited Sprats with developed milt and 



roe, ....... 290 



V. Young (William S.), Notice of a Specimen of the Syngna- 

 thus JEquoreus, taken in a lobster net off Inchkeith 17th 

 April 1861, . . . . . .290 



(Smith (John Alex.), M.D., Notes of the JEquoreal Pipe 

 Fish (Nerophis JEquoreus), taken at the Isle of May), . 291 

 VI. Smith (John Alex.), M.D., Crex porzana. Spotted Crake. 



(Specimen exhibited), ..... 292 



