PLATE I. 



Fig. I. Gennadas clavicarpns de Man. Lower part of the anterior border of the carapace of the adult 



male from Stat. 185, presenting the branchiostegal spine of moderate size, X i/. 



Fig. 2. Solenocera pcctinata (Bate). Rostrum of the female, long 45 mm., from Nias, X i/- 



Fig. 3 — 3;^/. Penaeopsis intermedia (Kishinouye) var. ancliista de Man. — 3 the male, long "]•] mm., from the 

 Kei-islands, X Va^ 3^^ petasma of this male, X 6; T^b posterior half of abdomen of this male, 

 X 2; 3c lateral view of the extremity of telson of this male, X 6; },d thelycum of the larger 

 female, long 80 mm., from Ternate, > 6. 



Fig. 4 — d,b. Penaeopsis sp. A very young specimen, long 19 mm., from Stat. 166. — 4 rostrum, X 22; 

 \ci posterior part of abdomen, X 17; 4^ posterior half of telson, X 33- 



Fig. 5. Parapenaeus sp. Rostrum and anterior margin of the carapace of the very young specimen 



from Stat. 47, X 33- 



Fig. 6, (ja. Sicyonia laevis Bate. Female from Stat. 7. — 6 distal half of rostrum, X 40; 6a thelycum, X 40. 



Fig. 7. Sicyonella ineriiiis (Paulson). Anterior part of carapace of the female with eye-peduncles etc., X 50 



