THE INSECTS OF MACQUARIE ISLAND—TILLYARD—BRUES—LEA. li 
ENTOMOBRYA MAWSONI, 2.Sp. 
(Text-figs. 2-5.) 
Total length of full-grown specimens, 2:5 mm., omitting antenne and spring. 
Depth of abdomen at its greatest, 0-6 mm. 
Fig. 2.—Entomobrya mawsoni n.sp. Lateral view. (x 34.) 
Head depressed, narrow, somewhat elongated, the ocelli situated on two very 
conspicuous patches of black pigment. 
Antenne 1:5 mm. long, the terminal joint 0-5 mm. long; very slender, clothed 
with minute hairs, and with a few long, slender, scattered hairs on the two basal joints 
(No post-antennal organ present. ) 
Ocelli, eight on each side, arranged as shown in Text-fig. 3. Four of these ocelli 
are large, three of medium size, and a single one is very small and difficult to locate. 
O°? 
O o 
Oo 
‘ow 
Fig. 3.—Entomobrya mawsoni n. sp. Group of ocelli, (x 200.) 
Thorax, with the mesonotum almost continuous with the head, quite 
covering the small prothorax, but not overhanging the head. Sides of the meso- and 
metanotum slightly overhanging the bases of the cox. 
Legs.—¥airly long and slender, with the tarsal claw and empodium well 
developed; the former with the vestige of a single tooth midway along its inner edge. 
