No. 447.] BREEDING HABITS OE CR. 



Stay away long but return to the mother, 

 moulting some 60 young were shaken loo. 

 scattered upon the floor of the aciuarium, 

 but 12 were back again upon the mother's 

 after moulting the young crawl all o\cr 

 over the dorsal .side of the abdomen but ov 

 head. As many as a hundred may be oH r 

 in the aquarium and climbing up into the 

 little later only a dozen may be away Iron 

 no screen was used and the water ran str ,- 

 carried away now and then and in such ir: 

 city reservoirs, such as those in BaltinK - 

 C. affinis. Eight days after moulting the 

 parents though sometimes a few went 

 pleopods during the next few days. Thus 

 the young are most all self supporting and 

 als with no other protection than that the 



How far there is any special reco - 

 young and the mother was not determr 

 young were taken away from the parent an 

 a female from which the annulus had bee- 

 had finally lost all her dead eggs with, 

 climbed up on to her abdomen and c laws 1 

 The female did not act as did the real m. 

 restlessly and wiped her mouth parts as if 

 crawling over them. A few hours later 

 upon her and four of them had disapi 

 several females were kept in the same 

 evidence that larvae sometimes crawled 

 mother. Moreover in 1900 it was notic 

 female was lifted from the water the y< 

 returned again to crawl upon the dead 

 even when the parent was far adxanced 

 abdomen was broken open the young era 

 muscles for a time but later were upon a 

 except the broken surfaces. 



Later stages.— V>) keeping the young 



