332 



THE INVERTEBRATA 



dominal somites and a telson, which bears two styHform, setose caudal 

 rami, complete the body. The somites of the thorax bear limbs, which 

 will be described presently. The limbs of the somite of the genital 



Fig, 238. Cyclops. A, Dorsal view of female. Partly after Hartog. an.' an- 

 tennule; an." antenna; e. eye; ov. ovary; ut. uterus: i.e. pouch of the ovi- 

 duct into which the eggs pass before being shed; od. oviduct; spt. sperma- 

 theca or pouch for receiving the spermatozoa of the male; e.s. egg sacs; 

 ram. ramus of caudal fork; An. position of anus; g.som. compound somite, 

 consisting of the last thoracic (bearing the genital opening) and the first 

 abdominal. B, Ventral view of male. ab. abdomen; an.' antennule; an." 

 antenna; cop. copula; e. eye; Ibr. labrum; md. mandible; mx.' maxillule; 

 mx." maxilla; mxp. maxilliped; pgn. paragnathum; ram. ramus of caudal 

 fork; tel. telson; th.z, th. 6, thoracic limbs. 



opening are present in the female only, and in her are reduced to the 

 condition of small valves over the openings of the oviducts. The ab- 



