CONTENTS. IX 



Page 

 III. Cleland (John), on the Skeleton, Muscles, and Viscera of 



Malapterurtis Beninensis. (With 2 Plates), . . 381 



VI. Taylor (And.), on an Artesian Spring which has lately ap- 

 peared on the banks of the Almond, Linlithgowshire, . 396 



January 27, 1858. 



I. Lowe (W. H.),on the Occurrence in Scotland of the Achatina 



acicula, . . . . . . 398 



II. Kelaart (E. F.), Introductory Report on the Natural History 



of the Pearl Oyster (Maleagrina margaritifera), . 399 



III. Oliphant (Wm.), on Lignite from the Ballarat Gold Field, 



and some recent Woods from Australia, . . . 405 



IV. (1.) Logan (R. F.), Entomological Notes for 1857, Lepi- 



doptera, ...... 406 



(2.) Wilson (And.), do. do. Coleoptera, 410 



V. (1.) Anderson (John), on the Genus Peltogaster, . .412 



(2.) on the Occurrence of Oalathea Andrewsii, . 414 



Februarg 24, 1858. 



I. (1.) Murray (And.), Tiliqua Fernandesi, a Lizard said to 



be venomous, from Old Calabar, . . .415 



(2.) Observations on the Metamorphoses of Orthop- 



terous and Hemipterous Insects, Supplemental to previous 

 Communication on the Leaf Insect, . . . 419 



II. M'Bain (J.), on the Skull of a Seal [Otaria Oillespii) from 

 the Gulf of California, with some Preliminary Observa- 

 tions on the Amphibious Carnivora, . . . 422 

 III. Peach (C. W.), on the Discovery of Beehite and Oolitic 



Quartz at Durness, . . . . .429 



March 24, 1858. 



I. Lawson (Geo.), Remarks on Lutraria elliptica, . . 432 



II. Wright (T. S.), (1.) on Monoecious Reproduction in 

 Tubularia larynx ; (2.) on Hydra tuba and Mtirothela 

 artica, ...... 432 



III. Holmes (W. R.), and Campbell (H.), Report of an Expedi- 



tion to Explore a Route by Rivers Waini, Barama, and 

 Cuyuni, and the Gold Fields of Caratal, and thence to the 

 River Orinoco, South America, .... 433 



IV. Cleland (J.), on the Spiral Threads of Helix aspersa, . 433 

 V. Smith (J. A.), Note on the Cuckoo {Cuculus canorus) (Pellet 



found in stomach), . . . . .435 



April 28, 1858. 

 Incorporation of Wernerian and Royal Physical Societies, 436 



