BY WILLIAM A. HASWELL, M.A., B.SC. 277 



rest shorter. Superior antennae as long as the cephalon and the 

 first two segments of the pereion ; flagelluni as long as the last 

 two segments of the peduncle. Inferior antennae longer than the 

 peduncle of the upper pair, ornamented below with a fringe of 

 long hairs. Propodos of anterior gnathopoda ovate, swollen. 

 Propodos of posterior gnathopoda two and a half times the length 

 of that of the anterior pair, narrow ; the palm defined by an 

 obscure tooth. Branchire longish-ovoid. Pereiopoda stout, short, 

 increasing in length from before backwards ; the third pair as 

 long as the fourth and fifth segments of the pereion. 



Length six lines. 



Hah. Port Jackson. 



Explanation of the Plates. 



Plate VII. 



Fig. 1. — Talitrus sylvaticus; a. — anterior gnatliopod; b. — posterior 

 gnatliopod of <$ ; b\ — posterior gnatliopod of%; c. — maxillipedes; 

 d. — mandibles. 



Fig. 2. — OrcliestiaMacleayana; a. — anterior gnatliopod; b. — posterior 

 gnatliopod of $; d. — posterior gnatliopod of $ . 



Fig. 3. — Talorehestia qiiadrimana; a. — anterior gnatliopod of $ ; 

 b. — posterior gnatliopod of $ ; c. — anterior gnatliopod of % 

 (connected wrongly with b. of fig. 2.); d. — maxillipedes; e. — 

 mandible. 



Fig. 4. — Allorcliestes longicornis; a. — anterior gnatliopod; b. — 

 posterior gnatliopod. 



Fig. 5. — Allorcliestes crassicomis ; a. — anterior gnatliopod; b. — 

 posterior gnatliopod. 



Fig. 6. — Talorehestia diemenensis ; a. — anterior gnatliopod of <$ ; 

 b. — anterior gnatliopod of$ ; c. — posterior gnatliopod ofg; d. — 

 posterior gnatliopod of % . 



