540 A UKVISION lIK TIIK ( 'II 1 KILM VZl \ 1 ( IH I'TKHA ) , 



united in the female-. Tiie abdomen is depressed in the male, and in the female 

 the four basal segments are distended and the apical segments attenuated. The 

 wings of the male contain a complete or almost complete venation; the upper 

 branch of the cubital fork and the stunted third i)osterior vein nuiy be absent. 

 The female is aptt-rous. 



Etymology. — A female specimen in tlie National Musium, Mcll)ourne, bears 

 a label in Walker's handwriting identifying the species as Boreomyia nubulaia, 

 and. in consequence, tiie species has been rather well known under that name. 

 It appears tliat the name has not been published, and Dr. Ferguson informs me 

 that he tailed to And a specimen of the species in the British Museum, on 

 which account it is reasonable to suppose that the specimen labelled by Walker 

 and now before me, was' intended to be the type of a new species. The name 

 Boreomyia is preoccupied by Boriomyia Banks. 1906, a North American Neurop- 

 teron of the family llemerobiidae, and, moreover, the strict meaning of the 

 name^is scarcely applicable to the species under discussion. Boreomyia would 

 mean '■norlhern Hy" accordina' to its derivation, and this does not appear to \w 

 the meaning intended by Walker, who evidently noted the shape superficially re- 

 sembling the Panorpid genus Boreus and intended in his name to convey the 

 meaning BoreusMy. The name is modified here to Boreoides, meaning "like 

 Boreus." 



HOKEOIDKS sUBUl.ATi:s, n.sp. (Plate XXX., figs. 17-22.) 



Boreomyia yubtilata. Walker, MS. name. 



Description. — The female is much infiated and apterous; the male is winge<l, 

 more or less uniforndy coloured brownish, and is slender in build. 



c?. The front is on^ fifth the width of the head, parallel-sided and bulges 

 slightly; the ocellar tubercle is very slightly raised, and anterior to tins a median 

 dejiression I'eaches the antennae. The antennae have their two basal joints equal 

 in length, and the third joint twice the length of the basal joints united, and 

 obscurely annulated. The face is small and the oral aperture is shallow and wide, 

 and beneath it can be detected the minute mouth between the small palpi. The 

 thorax and seutelium are normal, the former often stained with fuscous. The 

 abdomen is rather long and slender, depressed, and consists of seven segments. 

 The exjiGsed genitalia conform in shape to those of other species of the Bcri- 

 dinae. The legs are light brown in colour, long and slender. 



?. The front is about (me-third the maximum width of the liead, is unitorin- 

 ly wide, and bulges considerably. The ocellar tubercle is but slightly raised, 

 and anterior to this there is a ]>air ol large prominences divided by a deep 

 median depression whicli reaches the base of the antennae; the front contains 

 conspicuous yellowish pubescence anteriorly. The antennae are situated low on 

 the head and close together; the two basal joints are about ('(lual in length; the 

 third joint is eciual to the basal joints together; the apical half of the third joint 

 is obscurely annulated and three or four divisions c:in be seen. The oral aper- 

 ture is shallow and wide, and it contains a tubercle occupying a larger portion 

 of its area; below the tubende, a minute mouth can be detected between the small 

 palpi. 



■ The tiiorax anteriorly is i»s wide as the head, but widens (■onsid<'ral)ly to- 

 wards the abdomen; it is glabrous and shining, but contains a little golden to- 

 mentum dorsally. The sculcllum is flattened so that it lies like a plate upon 



