A474 MARINE BIOLOGY OF THE SUDANESE RED SEA. 
EXPLANATION OF THE PLATES. 
PLATE 42, 
Fig. 1. Chlorodopsis arabica, n. sp. specimen (g 204). x 5. Text, p. 450. 
la Do. do. Ventral view of anterior region of same specimen. X 5. 
iG, Do. do. Abdomen of same specimen. xX 6. 
PLATE 43. 
g.1. Xantho hydrophilus (Herbst, 1790). Walking-leg, enlarged. Text, p. 444. 
2. Chlorodopsis arabica, n. sp. First pair of abdominal appendages of ¢ specimen 
(go 204). x 6%. Text, p. 450. 
3a. Chlorodopsis spinipes (Heller, 1861). Left chela ¢ (d 222, Cl. 525 mm.), outer 
surface. X62 (actual length lower border 5°5 mm.). 
Text, p. 455. @ 
a 
Q 
36. Do. do. Right chela of same specimen, outer surface. X 63 
(actual length lower border 5:75 mm.). 
3G. Do do. Left chela 9 (Q ovig. 218, C.l. 5 mm.), outer surface. 
x 62 (actual length lower border 5 mm.). 
3 d. Chlorodopsis spinipes (Heller, 1861). Right chela of same specimen, outer surface. 
x 64 (actual length lower border 5°5 mm.). 
4a. Chlorodopsis arabica, nu. sp. Left chela ¢ (d 203, Cl. 85 mm.), outer surface, 
x 62 (actual length lower border 9'5mm.). Text, 
p. 450. 
46. Do. do. Right chela of same specimen, outer surface. X 63 
(actual length lower border 9 mm.). 
Ac. Do. do. Left chela of 2 specimen (Q 211, O.l. 75 mm.), 
outer surface. xX 7 (actual length lower border 
65 mm.). 
Ad. Do. do. Right chela of same specimen, outer surface. X 7 
(actual length lower border 6°5 mm.). 
PLATE 44 
Fig.1. Lupa alcocki (Nob., 1905). 3. X 33. Text, p. 438. 
la. Do. do. Ventral view of anterior region of same specimen. 
es x 10. 
16. Do. do. Anterior view of antero-ventral region of same. 
specimen. X 10. 
Ibe Do do. Abdomen of same specimen.  X 4. 
2, Herbstia corniculata, Klunz., 1906. Lefthand g. x10. Text, p. 401. 
3. Cyphocarcinus minutus, A. M.-Edw., 1868. © 42, side view. x 113. Text, 
p. 485, 
