304 DE. J. a. DE MAN ON THE PODOPHTHALMOTIS 



Fig. 4. Diogenes merguieiisis, dorsal view of the anterior part of the cephalo- 



thorax, X 4, showmg the antennae, the eye-peduncles, the rostrum, &c. 



Fig. 5. Outer view of the larger hand, X 3. Fig. 6. Left leg of the 



third pair, X 3. 

 Fig. 7. Diogenes miles, dorsal view of the anterior part of the cephalothorax , 



X 4, showing the antennae, the eye-peduncles, the rostrum, &c. Fig. 8. 



outer view of the larger hand, X 2. Fig. 9. Left leg of the third pair, 



X3. 



Plate XVI. 



Fig. 1. Clibaiiarius padavensis, the animal occupying a shell of Pgrula vesper- 

 tilio, nat. size. Fig. 2. Dorsal view of the anterior part of the cepha- 

 lothorax, X 2, showing the antennee, the eye-peduncles, the rostrum, 

 &c. Fig. 3. Lateral view of the hand, X 2. Fig. 4. Dorsal view of 

 the hand, X 2. Fig. 5. Left leg of the third pair, X 2. 



Fig. 6. Gehiopsis intermedia, lateral view of the whole animal, X 1^. Fig. 7. 

 Outer lateral view of a chelipede, X 4, showing the acute spinules 

 along the infero-internal margin of the meropodite, the two strong 

 spines of the wrist, and the form of the hand. Fig. 8. Left leg of the 

 last pair, lateral view, X 4. 



Plate XVII. 



Fig. 1. Alpheus Hvppothoe, anterior part of the cephalothorax with the an- 

 teunal peduncles of the male, X 5 ; the tip of the rostrum, which 

 reaches a little beyond the middle of the first joint of the antennulary 

 peduncle, has been omitted in this figure. Fig. 2. Larger hand of the 

 male, X 3. Fig. 3. Smaller hand, X 3. Fig. 4. Leg of the second 

 pair, X 4. Fig. 5. Leg of the third pair, X 4. 



Fig. 6. Harpilius Miersi, male, X 5. Fig. 7. Outer foot-jaw of the male, Xl5. 

 Fig. 8. Distal extremity of the rostrum in a lateral view, X,20. 

 Fig. 9. Outer view of the larger hand of the female, X 5. Fig. 10. 

 Dactylopodite and distal extremity of the propodite of the left leg of 

 the fourth pair of the female, X 40. 



Plate XVIII. 



g. 1. Hipp olyfe oligodon, cephalothorax and appendages in a lateral view, 

 X 5. Fig. 2. Lateral view of the rostrum, X 17. Fig. 3. Basal 

 portion of the flagella of the upper antennte, X 17. Fig. 4. Terminal 

 joint of the external maxillipeds, X 17. Fig. 5. The six terminal 

 joints of the carpopodite and the chela of the leg of the second pair, 

 X 17. Fig. 6. Dactylopodite of the leg of the fourth pair, X 35. 

 Fig. 7. Palamon acutirostris. Larger leg of the second pair, X 1^. 

 Fig, 8. PencBtcs merguiensis. Lateral view, nat. size. 



Plate XIX. 



Fig. 1. Penceus Lysianassa, male, X 2. Fig. 2. Terminal segment of the 

 abdomen and the left uropoda of the male, dorsal view, X 4, showing 



