gg Insecta. 



a suborder of Thysanura. Born er considered the entotrophic mouth-parts and 

 absence of cerci to be most important, and made the Protura an order of Apte- 

 rvgota. Rimsky-Korsakow considers that the anamorphosis, the large number 

 of abdominal segments, and the position of the genital opening are primitive 

 characters, but that the absence of antennae may be secondary: he treats Pro- 

 tura as a separate class between Myriapoda and Insecta. Prell considers the 

 anamorphosis as the most important character, the number of segments, position 

 of the genital opening, and presence of abdominal appendages as also primitive, 

 but the absence of antennae and cerci as secondary: he places Protura in a 

 special subclass of Insecta, characterised by anamorphosis, while a second sub- . 

 class includes all other Insecta: the former of these subclasses is not to be con- 

 sidered as directly ancestral to the latter. A summary of the Classification of the 

 Protura themselves and a summary of their geographical distribution are also 

 given, with notes on methods of preparation and a bibliography. 



H. Scott (Cambridge). 



197) Campion, H., Odonata [of the Seychelles, Aldabra, etc.]. In: Trans. Linn. 

 Soc. London, 2'"^ Ser. ZooL, Bd. XV, Heft 4, S. 435—446, 1913. 



This report on the material collected by the Percy Sladen Trust Expedition enu- 

 merates 25 species from the various groaps of Islands of the W. Indian Ocean visited 

 by the Expedition. Noiie are described as new, but a remarkable case of structural 

 dimorphism in the ? of one species, Agriocnemis pyt/inaea Selys, and other interesting 

 facts, are recorded. In several specitnens of Trarnea limbata from the Seychelles and 

 in one of Trarnea basilaris from Aldabra, the thorax bears numbers of larval water-mites 

 (Hydrachnidae): this does not appear to be a common phenomenon in Anisopterous 

 Odonata. Geographically, the author's conclusions are interesting. The dragonflies 

 collected in the coral-islands of Aldabra and A.ssumption might all have beeu got in 

 Africa. In the Seychelles, however, the purely African forms are reduced to two: three 

 other species are common to the Ethiopian and Oriental Regions: two others are Mada- 

 gascan: 5 species and 1 subspecies are peculiar to the Seychelles group: yet 5 others 

 are Oriental: while the remainiug one is the almost cosmopolitan Fantala flavescens. 

 An aualysis of the endemic forms reveals the fact that, of them, the three Anisoptera 

 are allied to African and Madagascan forms, while the three Zygoptera have Asiatic 

 affinities. Certain deficiencies in the fauna are also very striking, e. g. the abseoce of 

 certain characteristic Asiatic and African genera, and of the subfamilies Gomphinae and 

 Calopteryginae H. Scott (Cambridge). 



198) Campion, H., Another abnormal dragonfly wing. In: Entomologist, Bd. 46, 

 Heft 6, S. 1S8— 189, 1913. 



The two hind-wing.s of a \ specimen of a Bornean Odonate, Fornotkemis serrula 

 Krug., are figured and described. The left hind-wing is normal, but the right hind-wing 

 is teratological. It is abnormally short, the pterostigma is greatly exaggerated in size, 

 and the venation is so abnormal that the homology of some of the veins is obscure. 



H. Scott (Cambridge). 



199) Eaton, A. E., Ephemeridae [of the Seychelles]. In: Trans. Linn. Soc. London, 

 2"'! Ser. ZooL, Bd. XV, Heft 4, S. 433—434, 1913. 



No member of this group was formerly knowu from these islands. A Single new 

 species is now described, from swampy hoUows, ravines etc. in the mountains of Mabe, 

 at elevations of 8u0 — 1500 feet. It belongs to the genus Hagenulus, previously knovvn 

 only from Cuba and from the Tenasserim valley. H. Scott (Cambridge). 



200) Inims, A. D., Contributions to a knowledge of the structure and 

 biology of some Indian Insects. IL On Emhia major, sp. nov., from 

 the Himalayas. In: Trans. Linn. Soc. London, 2'^'^ Ser. ZooL, Bd. XI, Heft 12, 

 S. 167—195, Taf. 36—38, 1913. 



As stated in the introduction to this paper, about 70 percent of the known 

 species of Embiidae have been described, from one sex only. This is liable to 



