On some Neto Zealand Pselaphida?. 621 



EXPLANATION OF PLATE XIII. 



Fig. 1. St/ngnathtis acus. Left coracoid of adult, external aspect. 



Fi(/. 2. Ditto, 28 mm. (Stage 11.). Left coraco-scapular plate, internal 



aspect. X 110. 

 ''Fiff. 3. Ditto, 33 mm. (Stage III.). Right and left coracoids, seen from 



above, x 110. 

 Fi'y. 4. Ditto, 44 mm. (Stage IV,). Coracoid region, internal aspect. 



X 110. 



Zetterinff, 



R, proximal radial ; ;•, distal radial ; cf, portion of clavicle ; {, inner, 

 0, outer branch of stem of clavicle ; co, coracoid ; cs, part of intermediate 

 cartilage ; pr.p, precoracoid process ; pr.p'j vertical limb of coracoid ; 

 pt.p. postcoracoid process ; sc, scapula ; sc.p, scapular process. 



LXXVII. — JVofes on some Xeio Zealand Pselaphidae in the 

 British Museuvij loith Descriptions of new Species of the 

 Genus Sagola. By Major T. Broun, F.E.S. 



In May last, quite unexpectedly, a box containing about eighty 

 .specimens of Pselaphidge was received from the British 

 Museum, together with a letter from Mr. Gilbert J. Arrow 

 requesting me to name the insects. These specimens formed 

 part of Dr. D. Sharp's collection, which has recently become 

 the property of the National Museum, and had been found 

 by Mr. R. Helms about thirty years ago, chiefly in the 

 South Island. 



In this paper I have endeavoured to give an account of 

 such of the specimens as belong to the genus Sagola in the 

 Faronini, which, perhaps, is the most complex we possess. 



In a previous paper (Ann. & Mag. Nat. Hist. ser. 8, 

 vol. viii. p. 488, Oct. 1911) it was shown that this genus then 

 comprised sixty-three species. Those now added make a 

 total of seventy-five, and there can be no doubt that the 

 number will soon be augmented. 



The study of these old and rather roughly mounted insects 

 was far from being an easy matter. There was only one of 

 each species, some were not in good order and were more or 

 less embedded in gum. They had to be removed from the 

 cardboard and carefully cleaned, so that the structure of the 

 underside might be examined. Those who have no expe- 

 rience in such tedious and delicate operations should ascertain 

 by actual practice what it means, always bearing in mind 



Ann. & Mag. N. Hist. Ser. 8. Vol x. 42 



