206 Dr. Maton's and Mr. Rackett's 



are represented with the animals for the most part complete ; but 

 the engravings are slight, and the shells are intermingled with 

 Zoophytes. 

 The microscopic subjects described by 



SOLDANI 



arc principally shells, which this author discovered at Portofer- 



rara, the island del Giglio, and on the shores of Castiglioncello, 



la Follonica, &c. The work does not exhibit much method or 



science ; but the species figured in it are extremely curious, many 



of them being wholly unlike any of the larger and well knoAvn 



ones. There are 148 plates, in Avhich the shells are represented 



both of their natural size and magnified. 



As a physiological dissertation on the svibject of Testacea, the 



letter of 



BONVICINI 



to Professor Girardi, inserted in the Mem. della Soc. Ital., ought 

 to be mentioned here. It contains several curious experiments 

 relative to the organ of sight in the Snail tribe. 



In the '^ Mogazin Encyclopedique" some facts respecting the life 

 of the Lepasanatifera may be found. They Avere communicated 



bj 



M. MESAIZE, 



who seems to have had opportimities of pa^'ing considerable at- 

 tention to this singular species. 



With the year 1789 commenced the Helminthological part of 

 the grand work carried on in France under the title of " Enci/clo- 

 pedle Methodiqiie." This department had been undertaken by 



BRUGUIERE 



(the Avell known traveller in the East), Avho appears to have been 

 fully qualified for the completion of the laborious task ; but, un- 

 fortunately 



