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CRUSTACEA OF THE MERGUI ARCHIPELAGO. 301 
Fig. 3. Neptunus Andersoni, adultfemale, x 2. Fig. 4. Natatory leg, x 4. 
Fig. 5. Thalamita prymna, young male, dorsal view of the frontal and orbital 
region, X 13. Fig. 6. Abdomen of an adult male, nat. size. 
Fig. 7. Thalamita spinimana, adult female, dorsal view of the frontal and orbital 
region, nat. size. 
Fig. 8. Thalamita Dane, adult male, dorsal view of the frontal and orbital 
region, nat. size. Hig. 9. Abdomen, nat. size. 
Puate V. 
Fig. 1. Goniosoma cruciferum, dorsal view of the anterior half of the upper 
surface of the cephalothorax of a male specimen, nat. size. 
Fig. 2. Goniosoma affine, dorsal view of the cephalothorax of an adult female, 
xX i. 
Fig. 3. Goniosoma mergwiense, female, nat. size. Fig. 4. Frontal region of a 
very young specimen, whose cephalothorax is only 10} millim, long, 
x 4. 
Fig. 5. Hucrate affinis, male, x 2. Fig. 6. Abdomen, x 2. Fig. 7. Larger 
hand of the male, x 2. 
Puate VI. 
Fig. 1. Telphusa Callianira, adult male, x 2. Fig. 2. Anterior view of the 
frontal and antennal region, of the orbits and of the epistome, x 3. 
Fig. 3. Lateral view of larger hand, x3. 
Fig. 4. Telphusa carinifera, x 8. Fig. 5. Lateral view of the hand, x 2. 
Fig. 6. Pinnotheres Hdwardsi, adult female, x 2. Fig. '7. Inferior view of the 
frontal, antennal, and buccal region, x 5. Fig. 8. View of the distal 
part of the left external maxilliped, x 10. Fig. 9. Lateral view of 
the hand, x 4. 
Puats VII, 
Fig. 1. Xanthasia sp., adult female, x 2. 
Fig. 2. Gelasimus Dussumiert, adult male, nat. size. Fig. 3. Frontal and 
antennal region, the orbits, and a part of the outer maxillipeds, nat. 
size. Fig. 4. Outer lateral view of the larger hand, nat. size. Fig. 5. 
Inner lateral view of the same hand, nat. size. Fig. 6. Outer view of 
the larger hand of an adult male, being a variety, nat. size. Fig. 7. 
Outer view of the larger hand of a young male, whose cephalothorax 
is scarcely 20 millim. broad, x 2.- 
Fig. 8. Gelasimus acutus, adult male, x 13. Fig. 9. View of the frontal and 
antennal region of the orbits and of a part of the external maxillipeds 
of the same, x 14. 
Puate VIII. 
Fig. 1. Gelasimus acutus, outer view of the larger hand, x 14. Fig. 2. 
Inner view of the same hand, x 14. Fig. 3, A variety of the larger 
