322 



Reviews and Book Notices. 



are flanked on either hand with a single secondary or petalo- 

 dontoid tooth, completing the full complement of seven. They 

 diminish in size from the centre, the flanking, teeth being quite 

 small in comparison with the large central primary tooth.' In 

 the present specimen only these flanking petalodontoid teeth 

 are preserved, along with a quantity of shagreen, the covering 

 of the body of the fish. The teeth are about \ inch long 

 by I of an inch wide, and consist of three parts : an anterior 

 cutting margin wider than long ; a posterior ridged crushing 

 surface, having six transverse imbricated ridges, and a some- 

 what elongated root. The upper surface of the teeth is. covered 

 with a thick layer of white enamel in striking contrast to the 

 root and undersurface, which are black. The shagreen consists 

 of minute reddish bodies exhibiting a great variety of form, 

 some being rounded, others more elongated, whilst others are 

 irregular and have denticulated margins. The author would 

 here acknowledge his indebtedness to the kindness of Professor 

 G. A. Lebour, of the Armstrong College, Newcastle-on-Tyne, 

 who named the specimen. 



REVIEWS AND BOOK NOTICES. 



Practical Hints for the Field Lepidopterist. Part III. By J. W. 

 Tutt, F.E.S. Price, 6s. net (interleaved). Published by Elliot Stock, 

 62, Paternoster Row, E.G. 



This is another, and we believe it is intended to be the last, of the 

 author's volumes on ' Hints.' As its title implies, it is a collection of concise 

 notes taken from his own, and many of his friends' practical experiences in 

 the collecting and rearing of lepidoptera ; and also largely culled from the 

 various entomological journals. In addition to this, however, there is a 

 series of five chapters on Collecting- and Collections ; Eggs and Egg 

 Stage; Preservation, Photographing, and Description of Eggs; Larvae 

 and Larval Stage ; and Pupa and Pupal Stage. These form the first 

 portion of the volume and are most valuable — quite as much in indicating 

 (as is their aim) what is still to be learnt, and suggestions as to the best 

 methods of learning — as in showing- what we already know. These 

 chapters, \yhich are illustrated by seven plates, we cannot speak too highly 

 of, as being a guide to the entomologist who is anxious to nrake a. scientific 

 study of the early stag-e of the lepidoptera. The ' Hints ' an:anged under 

 each of the months are equally valuable to the collector ; and together with 

 those contained in the two previous volumes, form a mass of information 

 which should make the collecting .and study of our native lepidoptera in 

 these times wonderfully easy as conipared with what it was in our early 

 days. But the book in our opinion has one serious blemish, and that is the 

 arrangeineiif iht various orders.- How unintellig'ible this is will be seen 

 from the following taken from the June chapter (and as practically the 

 same order is adopted, so far as the species are treated on, in all the other 

 months., we pi-esume there must be som-e reason for it). Eriocranildes, 

 Nepticulides, Adelides, Elachistides, Argyresthiides, Glyphipterygides, 

 -G'racilariides, Tbrtricides, Goleophorides, 'Plutellides, Gelechiides; Cram- 

 bides, Pyralides, Alucitides, Ps}-chides, Hepialides, Zeuzerides, ^^geriides, 



Naturalist, 



