OF CONCHOLOGY. 



163 



Ascidians the anterior portion of the sac is closed, and the ani- 

 mal is fixed by that end to the rock ; the mouth now turns to- 

 wards the posterior portion of the sac. In the Brachiopods we 

 have the same condition, namely : the anterior end of the sac 

 closed and fixed, the mouth still nearer the posterior end, and in 

 the lowest group of all, the Polyzoa, the mouth is at the extreme 

 posterior portion of the body. Thus a line drawn through the 

 mouth of these various diagrams shows the progress of that part 

 towards the anterior end of the body. The position assigned to 

 the classes by these principles is also in harmony with other 

 principles of classification." 



FOREIGN. 



ENGLISH. 



The Utilization of Minute Life ; being practical studies on Insects, 

 Crustacea, Mollusca, etc., etc. By Dr. T. L. Phipson. 12mo. Lon- 

 don, 1864. 



The " practical studies," as far as concerns the Mollusca, are 

 not by Phipson, being mainly a collection from various concho- 

 logical works, of which "Johnston's Introduction" seems to 

 have been oftenest laid under contribution. The errors in the 

 orthography of the specific and generic names are numerous, and 

 unpardonable, if we suppose the author to have any acquaintance 

 with his subject ; and there are other errors of still graver charac- 

 ter. Thus we are informed that snails are divided into two 

 genera, in one of which the animals have no shell; the other is 

 Helix. And Helix aspersa inhabits, besides Europe, the Mediter- 

 ranean shores of Asia and Africa, Guiana, Brazil, and the foot 

 of Mt. Chiruborazo ! 



Annals and Magazine of Natural History. Vol. 20. No. 120. London, 

 December, 1867. 



Descriptions of two new Fossil Cowries characteristic of Ter- 

 tiary beds near Melbourne (Australia). By Fiied. Mc- 

 Coy. 



Trivia avellanoides. Cyproza gigas. 



The latter species attained the extraordinary length of eight 

 inches, — far exceeding any other known species. 



On the development of Sepiola. By E. Mecznikow. 



Fourth Series. Vol. 1, No. 1. January, 1868. 



On a new Volute. By Prof. F. McCoy. 

 Valuta Thatcheri. Loc. — ? 



