262 [April, 



When full-grown, it has broad, interrupted, pink, longitudinal lines, the sub- 

 dorsal being the broadest, head and plates as before. 



When very young, it turns down the edge of the leaf of Beta maritinia, making 

 a chamber of white silk, but it soon begins to mine the leaf, keeping especially to the 

 midrib, or else enters a young shoot, or even the stem : in fact, it seems as various 

 in its manner of feeding as Gelechia costella. When removed from its mine it is 

 very active, and wriggles violently, but when full-fed, leaves its feeding place to spin 

 up in a dead leaf, or among rubbish. Pupa light brown, in a silken cocoon. The 

 moths emerged this year late in June and through July, last year on June 22nd. — 

 Chas. Or. Baebett, Pembroke : December, 1879. 



The Field Natitealists' Hand-book, by the Rev. J. Q-. Wood and Theodoee 

 Wood : Cassell, Petter, Galpin, and Co., London, Paris, and New York. Pp. 167, 

 8vo (no date on title-page). 



It is difScult to comprehend the raison d'etre for the appearance of this book. 

 It is a calendar purporting to give the young collector information as to the times 

 of appearance of British Macro-Lepidoptera, the time of flowering of British Plants, 

 and the time in which to find British Birds' eggs, interspersed with notes, and in- 

 structions for collecting, preservation, &c. But such calendars exist already almost 

 ad nauseam, and we fail to detect anything original, excepting in the treatment. 

 The authors show themselves profoundly ignorant of the veriest rudiments of the 

 practice of naturalists in penning and publishing such nonsense as the following 

 (when speaking of nomenclature) : — " One well-established genus, for example, is 

 " broken into half-a-dozen new genera, while the original name is transformed into 

 "an order, sub-order, tribe, phalanx, &c., just as the writer chooses to call it." 

 We warn our younger readers against such assertions, which could only emanate 

 from writers without the slightest scientific aspirations, and may tend to reduce their 

 readers to the same level as themselves. The aim of a popular writer on Natural 

 History should be that of leading his readers to broad views, and not that of 

 narrowing their minds by ridicule and false statements ; and more especially when 

 those readers must, of necessity, mainly consist of the rising generation. The 

 mechanical part of the book appears to be well done ; the bulk of the authors' self- 

 asserted advice had better be ignored. Much sounder advice and information can 

 be obtained from a multitude of less pretentious works. At p. 36 is an exjDlanation 

 of a " moth-trap," which is said to have been so successful that more than forty 

 moths have been caught in it in one night. This is a modification of the American 

 invention explained in vol. ii, pp. 199 — 202, of this Magazine (1866), and which did 

 not, we think, fulfil the great expectations it appeared to hold out. 



^^^ Entomoiogisk Tidskeift, pa foranstaltande af entomologisk foreningen i 

 Stockholm, utgifven af Jacob Spangbeko. Band i, Haft i, pp. 52. Stockholm, 

 1880, 8vo. 



This Magazine, which is the organ of the newly-established Entomological 

 Society of Stockholm, supplies a want by furnishing the entomologists of the Scan- 

 dinavian races with a special journal devoted to their studies. According to the 

 prospectus (in French), it is intended to publish four parts a year. The type and 



