204 T>r. Maton's and Mn Rackett's 
which, however, as they include all the species then known to 
the southern navigators, may be considered as constituting a com- 
plete work, so far as it goes, and it was all that Mr. Martyn had 
absolutely engaged himself to execute. There is only one species 
on a plate, but each is exhibited in different aspects, with incom- 
parable elegance, and with great correctness of drawing and 
colouring. 
In the same year with the first volume of the Universal Concho- 
logy appeared a description of the minute shells found on the 
Sandwich shores by 
WILLIAM BO\ r S, 
with whose name ought also to be joined that of 
GEORGE WALKER, 
by whom considerable additions were made to the observations 
of Mr. Boys, and who drew the figures. This work contains three 
plates, exhibiting ninety species (inclusive of three Mollusca), both 
of the natural and of a magnified size. Each species is concisely 
described in Latin, agreeably to the Linnean method, and accom- 
panied by some observations in English relative to colour, degree 
of rarity, &c. 
LEFEBURE DES HAYES 
gave a very full description, accompanied by figures, of the 
Chiton squamosus, which will be found in the Journal de Physique 
for 1787. 
The " Nova Testaceorum Genera" of Munter Philipsson were 
published, as an Inaugural Dissertation, at Lund, under the Pre- 
sidency of 
RETZIUS. 
This performance contains many judicious remarks relative to 
the Linnean genera, which the author proposes in some instances 
to 
