7t> CATALOGUE OF BRITISH CRUSTACEA. 



4. SPHJEEOMA HOOKERI. Hooker's Sea Pill-ball. 



Sphaeroma Hookeri, Leach, Ed. Enc. vii. p. 433 ; Linn. Trans, x. 

 p. 369 ; Diet. Sc. Nat. xii. p. 345 ; Desm. Cons. p. 300 ; M . 

 Edw. Crust, iii. p. 206. 



a d. Suffolk. Presented by Dr. (now Sir W. J.) Hooker. 



5. SPH^EEOMA GRIFFITHSII. Griffith's Sea Pill-ball. 



Sphaeroma Griffithsii, Leach, MSS.; Thomp. (W). Ann. Nat. 



Hist. xx. p. 246. 

 a, b. Torbay. Presented by Griffiths, Esq. 



6. SPH^EOMA PRIDEAUXIANUM. Prideaux's Sea Pill-ball. 



Sphseroma Prideauxianum, Leach, Diet. Sc. Nat. xii. p. 345 > 

 Desm. Cons. p. 299 ; M. Edw. Crust, iii. p. 209 ; Thomp. (W.) 

 Ann. Nat. Hist. xx. p. 245. 



Jun. ? Sphseroma curtum, Leach, Diet. Sc. Nat. xii. p. 345 ; Desm. 

 Cons. p. 299 ; M. Edw. Crust, iii. p. 209. 



a. Devon. From the collection of Dr. Leach. 



3. CYMODOCEA. 



Cymodocea, M. Edw. Crust, iii. p. 212. 



Cymodocea, pt. Leach, Diet. Sc. Nat. xii. p. 343. 



Dynamene, pt. Leach, Ed. Enc. vii. p. 433 ; Diet. Sc. Nat. xii. p. 



344. 



Cymodoce, Leach, Ed. Enc. vii. p. 433. 

 Cymodice, Leach, Linn. Trans, xi. p. 368. 



1. CYMODOCEA TRUNCATA. Abrupt Sea Pill-ball. 



Cymodocea truncata, Leach, Ed. Enc. vii. p. 433 ; Diet. Sc. Nat. 



xii. p. 343 ; Desm. Cons. p. 297 ; M. Edw. Crust, iii. p. 214 ; 



Thomp. (W.) Ann. Nat. Hist. xx. p. 246. 

 Oniscus truncatus, Montagu, MSS. 



a. Devon. From the collection of Col. Montagu. 



