On the Anatuiny ^yr. of the Sytuhranchoid J'JcIs. 38V 



shilling, but front aud mcsothorax dull ; mandibles briylit 

 red at apex, orange in middle, dark at base; labrura and 

 margin ol" clypeus dark ; antennie eomparativcly short and 

 thiek, like those of a female ; scape black, tiagellum dull 

 ierrugiuous beneath; seutcllum shining green; area of 

 metathorax siiiniug, with irregular rugte uot covering the 

 surface ; tegulre testaceous. Wings clear, nervures and 

 stigma reddish sepia; venation of Chloralictus, but first r, n. 

 entering extreme base of third s.m. Legs black, with the 

 knees, anterior tibiie, apices of the other tibiae, aud all 

 the tarsi ferruginous. Abdomen only moderately narrow. 

 The compound microscope shows : — Front very minutely 

 caucellate, uot striate ; mesothorax coarsely lineolate or 

 subtessellate, with scattered punctures. 



Hub. Kurauda, Cairns, Queensland, March Vd02(Turner). 

 British ^luscum. Also a co-type from Cape York, May 190^ 

 {^Turner). 



Superficially much like H. saycei, but the differences in 

 colour aud sculpture show that it cannot be its male. 



Halictus paracolleiinus, Cockerell. 



A male from Kuranda, Cairns, April 1902 [Turner), shows 

 that this sex resembles the female, with the following prin- 

 cipal sexual differences : — Face much narrower, front and 

 sides of face densely covered with orange hair ; lower half 

 of clypeus and a wedge reaching upper margin pale yellow ; 

 antenuse very long, flagellum ferruginous beneath ; anterior 

 knees, tibiae, and tarsi ferruginous, the tibiie clouded with 

 dusky. 



XXXIX. — The Anatomy and Classijication of the 

 ISymbranchoid Eels. By C. Tate Kegan, M.A. 



(Published by permission of the Trustees of the British Museum.) 



[Plate IX.] 



In most recent systems of classification tlie Symbranchii 

 appear as an order (or suborder) which is placed near the 

 Apodes. It seems probable, however, that they are derived 

 from some group of acanthopterous physoclists and that the 

 resemblances to the true Eels are not due to relationship, 

 since in Alahes the prsemaxillarics have long posterior 



