300 
REVIEWS OF NEW PUBLICATIONS. 
be a series of mutilations and dislocations.” Mr. Westwood therefore adopts the 
tarsal system; in which, however, he proposes several alterations. The following 
are his primary sections of the order Coleoptera : — 
“ 1. Pentemera , in which all the tarsi are 5-join ted, the 4th being of ordinary size. 
2. lleteromera, in which the four anterior tarsi are 5-jointed, and the two posterior 4-jointed. 
3. Pseudotetramera , in which the tarsi are 5-jointed, but the 4th joint is exceedingly diminu¬ 
tive, and concealed between the lobes of the preceding, 
4. Ps'eudotrimera , in which the tarsi are 4-jointed, the 3rd joint being very diminutive, and 
concealed between the lobes of the preceding.’'—p. 44. 
A few pages of a “ Generic Synopsis” are given, which is to be continued 
(separately paged) at the end of each monthly part, until complete. W"e do not 
doubt its being found useful, but are sorry to observe the defective system of 
nomenclature (in the families, &c.) which Mr. Westwood has adopted. The 
terminations used to distinguish the rank of the groups are idee, ides , and idea, 
which are manifestly too little varied to be of much service for the purpose 
intended. 
The plate at the commencement is beautifully and accurately executed; and 
the work generally well got-up. We must, however, notice an evident negligence 
in the correction of the press; owing to which several errata (and some important 
ones) disfigure the' pages. Thus at p, 3 we are informed that “ by Latreille 
the Spring-tailed insects and Mites have been constantly regarded as belonging to 
the class of insects”; which is not true, as the Acari (Mites) are arranged by 
that author in his Arachnida. We presume that Lice are here meant; respect¬ 
ing which the above remark would be correct. Thus also at pp. S3 —35 two 
sentences as they at present stand are intirely destitute of meaning. We are 
informed that “ in the earlier editions of the Systema Natures it [the structure 
of the elytra] was even employed as its sole characteristic p. e. of the Order]; so 
that the Grasshoppers, Cockroaches, and Earwigs were included in it; and crown 
of the head , which he considered to he ocelli, but Latreille, in the last edition of 
this work, &c. &c.” And again:—‘ c The simple ocelli are here wanting, except 
in Paussus hucephalus , and some of the small Staphylinidce , in which Delman 
observed two tubercles on the considered them as mere tubercles.” It is evident 
that the part we have italicised in the first sentence ought to have been inserted 
between u on the” arid “ considered” in the last. We trust that such blemishes 
will be avoided in future. 
We have given Mr. Westwood’s Introduction the above lengthy notice, as it 
afforded an opportunity for bringing under the view of our younger readers some 
of the first general details of entomological classification ; and also as we think 
that the work w r ell deserves being prominently reviewed,—-P. R. 
