HOMOLOGIES OF CRUSTACEA. 



39 



THE HOMOLOGIES OF CRUSTACEA.* 



Chobistopoda. 



Entomostraca. 



SEGMENTS. 



TALITRUS. 



SPHEROMA. 



CYCLOPS. 



CALIGUS. 



PENIUA. 



DAPHXIA. 



CTPRIS. 



Cephalo- 

 thorax. 



Artie. Appendages. 



Artie. Appendages. 



Artie. 

 Append. 



Artie. 

 Append. 



Artie. 

 Append. 



Artie. 

 Append. 



Artie. 

 Append. 



I. 



0. 



0. 



00. 



00. 



00. 



00. 



00. 



II. 



Ant. I. 



Ant. I. 



Ant. I. 



Ant. I. 



Ant. I. 



00. 



Ant. I. 



III. 



Ant. II. 



Ant. II. 



Ant. II. 



Ant. II. 



Ant. II. 



Ant. II. 



Ant. H. 



IV. 



Mand. 



Mand. 



Mand. 



Mand. 



Mand. 



Mand. 



Mand. 



V. 



Max. I. 



Max. I. 



Max. 



Maxd. 



Max. 



Max. 



Max. 



VI. 



Max. II. 



Max. II. 



Maxd. 



P. ped. 



P. nat. 



P. nat. 



Maxd. 



VII. 



Maxd. 



Maxd. 



P. preh. 



P. preh. 



P. nat. 



P. nat. 



P. ped. 



VIII. 



P. ped. I. 



P. ped. I. 



P. nat. 



P. nat. 



P. nat. 



P. nat. 



P. ovar. 



IX. 



P.ped.II.— Branch. 



P. ped. II. 



P. nat. 



P. nat. 



P. nat. 



P. nat. 



00. 



X. 



P.ped.ITL.-Branch. 



P. ped. III. 



P. nat. 



P. nat. 



P. nat. 



P. nat. 



00. 



XL 



P.ped.IV. -Branch. 



P. ped. IV. 



P. nat. 



P. nat. 



P. nat. 



00. 



00. 



XII. 



P. ped. V.~ Branch. 



P. ped. V. 



0. vel 00. 



00. 



00. 



00. 



00. 



XIII. 



P.ped.YI.-Branch. 



P. ped. VI. 



00. 



00. 



00. 



00. 



00. 



XIV. 



P. ped. VII. 



P. ped. VII. 



00. 



00. 



00. 



00. 



00. 



Abdomen. 

















I. 



App. nat. 



App. I. — Branch. 



O.v.P.rud. 



0. v. 00. 



P. rud. 



O.v.P.rud. 



0. v. 00. 



II. 



App. nat. 



App. II. — Branch. 



0. 



0. 



0. 



0. 



0. 



III. 



App. nat. 



App. III. — Branch. 0. 



0. 



0. 



0. 



0. 



IV. 



App. styl. 



App. IV. — Branch. 0. 



0. 



0. 



0. 



0. 



V. 



App. styl. 



App. V. — Branch. 



0. 



0. 



0. 



0. 



0. 



VI. 



App. styl. 



App. VI. stylif. 



App. caud. 



App. caud. 



App. caud. 



App. caud. 



App. caud. 



VII. 



0. app. 



0. app. 



00. 



00. 



00. 



00. 



00. 



lipedes; nat., natatorii; ovar., ovariani; ped., pediformes; preh., prehensiles ; rud., rudi- 

 mentarii; styl., styliformes ', subped., subpediformes. 



