2 BRACHYUBA. 



Fain. 2. C o R Y s T I D M. 



CORYSTES CASSIVELAUNUS (Montagu). 



Torquay (Mrs. Griffiths] ; Exmouth (Parfitt) ; Plymouth 

 and Falmouth (A. M. N.). 



ATELECYCLU>S SEPTEMDENTATUS (Montagu) = A. heterodon, 



Leach. 



Common in stomachs o Cod, Ray, and other fish, from off 

 Polperro (Couch) ; Plymouth and Falmouth (.4. M. N.). 



Tribe II. CYCLOMETOPA, H. Milne-Edwards. 



Fain. 1. POLYBIID^E. 

 POLYBIUS HENSLOWI, Leach. 



This was first found by Professor Henslow in a herring- 

 net off the north coast of Devon. It is taken not uncommonly 

 in trawls and other nets off the south coasts of Devon and 

 Cornwall, sometimes occurring in large numbers. 



PORTUMNUS LATIPES (Pennant) = P. variegatus, Leach. 



Three or four specimens found in South Devon (Parfitt) ; 

 Exe Estuary (R. A. Todd) ; Whitsand Bay, Plymouth 



(A. M. N.) ; Falmouth, not uncommon (Cocks). 



PORTUMNUS BIGUTTATUS (Risso). 



1810. Portunus biyuttatus, Eisso, Hist. Nat. Crust. Nice, p. 61, 



pi. i. fig. 2. 

 1818. Platyonichus nasutus, Latreille, Encyclop. Mth. vol. x. 



p. 151. ' 

 1897. Portmnnus nasutus, Garstang, Journ. Marine Biol. Assoc. 



vol. iv. (n.s.) p. 402. 

 1900. Portumnus biyuttatus, A. Milne-Edwards & Bonnier, Exped. 



Sci. du ' Travailleur ' et du ' Talisman,' Crust. Decap. p. 61, pi. xiv. 



figs. 1-5. 



Mr. W. Garstang found two specimens of this crab, both 

 males, imbedded in a patch of coarse shell-sand on the south 

 side of Drake's Island, Plymouth, at low water, spring 

 tides : one on August 11, 18%, and another on the following 

 day. This is a most interesting addition to the British 

 fauna. 



Fam. 2. P o R T u N i D &. 



PORTUNUS PUBER (Linne). 



Along the whole coasts ; common. 



