346 Transactions. 
in length, somewhat convex below and somewhat narrowed at base, 
especially on upper side; remaining joints gradually decreasing in length 
and size, except last, which is somewhat stouter than penultimate. Thorax 
ash-grey, densel and uniformly covered with long pale hair. Praescutum 
with three black stripes, middle one very broad, undivided, lateral ones 
dame with short and rather sparse pale oc escence ; in iod the 
the ER Ed reddish, with a rather broad blackish median dorsal 
stripe narrowed but not ур on reddish portion of second tergite. 
Legs black, basal halves of femora indeterminately orange; coxae and 
trochanters dusted with grey. Wings slightly smoky, more distinctly so 
in cells C and Se and towards bases of cell R and M; stigma brown. Rs of. 
same length as R,,,; r meeting R, near base; stem of cell M, at most · 
one-fifth as long as cell; cell Ax very broad.  Halteres light-brownish. 
Length of body, 15-16 mm.; wing, 22-23 mm.; hind tibia, ¢ 17 mm., 
9 16 mm. ; bind tarsus, 5 36 mm., 9 about 24 mm 
Мовти ISLAND : _ Mount Bea 4,000 ts Sourn Istanp: Mountains 
on, No. 137). 
Pca from Mount ү 3,500 ft., Lake Wakatipu, sent as M. montana 
by Mr. Hudson. There is another similar female in Cambridge buses 
also named and presented by Mr. Hudson. These specimens differ 
several respects from Hutton's diagnosis, and may perhaps represent ante 
species, but I t the main differences can be accounted for by supposing 
that Hutton described from discoloured specimens, in which the heavy 
grey dusting was obliterated, and the ground-colour consequently showed 
darker than usual; and by further assuming that he tage o reversed 
his statements regarding the male and female abdomen 
Macromastix submontana n. sp. 
9. Differs from M. montana as follows: Black stripe of abdomen. 
narrower, base of second segment less conspicuously red. Wings hyaline 
except for dark stigma and slight smokiness towards base of costal cell. 
Cross-vein r meeting R, near the middle. Cell M; scarcely longer than 
its stalk. Length of dy, 13mm.; wing, 18mm.; hind tibia, 11 mm.; 
hind tarsus, 19 mm. 
отн IstanpD: Mount Cleughearn, 13th „мшу, 1916 (A. Philpott) ; 
type Temale i in Cawthron Institute collection 
Macromastix minor n. sp. (Fig. 118.) 
3. Head blackish, lighter round hind-margins of eyes ; frontal tubercle 
rather small, rounded. ront, vertex, and under-surface of тенин pigs 
with long black hair. Antennae short, black, thirteen-jointed, first six 
flagellar joints distinct, somewhat oval, nearly straight above, iain 
slightly on ventral side, gradually decre 
MEUM 
SOR ET ne ы 
