218 



BOPYRID^. 



ISOPODA. 



NORMALIA, 



BOPYRID.E. 



BOPYRUS SQUILLARUM. 



Specific character. Male. Narrow, with the sides of each segment of the 

 pereion produced into a flattened, rounded lobe. Pleon having the segments 

 confluent. Antennae concealed beneath the cephalon. 



Female. Unsymmetrical, dilated at the sides. Pereiopoda small, strong, 

 sub-equal. Anterior scales of the incubatory pouch curved, obtuse, and free. 



Length of the male 1 line ; of the female 4 or 5 lines. 



Bopyrus Squillarum. 



Latreille, Hist. Nat. Crust, et 

 Ins. vii. p. 55, t. 59, f. 2. 

 Gen. Crust, et Ins. i. j). 67, 

 t. 2, f. 4. Lamarck, Hist. 

 Anim. sans Vertebr. v. p. 164. 

 Desmarest, Cons. Crust, p. 

 325, pi. 49, f. 8—14, Guerin 

 Menev. Icon. R. Anim. Crust. 

 pL 29, f. 2. Brulle, Exped. 

 Moree, p. 46. Montagu, 

 Trans. Linn. Soc. ix. 105 



