INDEX. 



Page. 



bedotil (Sagitta), distribution of 257 



measurements of 257 



Philippine records of occur- 

 rence 258 



redescription of 255 



chaetognatha, comparison of Philippine and 



San Diego faunas 236, 270 



distribution relative to fishery 



problems . 237, 272 



distribution relative to up- 

 welling water 271,275 



key to genera of 238 



significance of variability in 



number of teeth 272 



species collected 235 



validity of genera 237 



decipiens (Sagitta), distribution of 255 



measurements of 255 



Philippine records of oc- 

 currence 256 



redescription of 254 



resemblance to S. phil- 



ippini 241 



variability in number of 



teeth 254 



distribution of E ukrohnia hamata 267 



Krohnitta subtilis 270 



Pterosagitta draco 265 



Sagitta bedoti... 257 



S.decipiens 255 



ferox. 



neglecta 



planktonis 



pulchra 



serratodentata 



draco (Pterosagitta), distribution of 



measurements of 



Philippine records of oc- 



rence 



variability in number of 



teeth 



enflata (Sagitta), distribution of 



measurements of 



peculiarities in maturation 



of 



Philippine records of occur- 

 rence 



variability in number of 



teeth 



Eukrohnia, key to species of 



validity of 



ferox (Sagitta), distribution of 260 



measurements of 260 



Philippine records of occur- 

 rence 262 



redescription of 259 



resemblance to S. robusta 259 



genera, key to 238 



validity of 237 



hamata (Eukrohnia), distribution of 267 



variability in number 



of teeth 266 



hexaptera (Sagitta), distribution of 246 



loss of teeth 245 



measurements of 245 



Philippine records of oc- 



currence 247 



Heterokrohnia (validity of) 237 



Keys, discussion of 237 



to genera 238 



species of Eukrohnia 240 



Sagitta 238 



Spadella 239 



Krohnitella (validity of) 237 



Krohnitta (validity of) 237 



macrocephala (Sagitta) 250 



measurements of Eukrohnia richardi 267 



Krohnitta subtilis 269 



Pterosagitta draco 265 



Sagitta bedoti 257 



S.decipiens 255 



enflata 243 



ferox 260 



hexaptera 245 



neglecta 258 



pulchra 252 



serratodentata 249 



minima (Sagitta), redescription of 248 



neglecta ( Sagitta), distribution of 258 



measurements of 258 



variability in number of 



teeth 258 



philippini (Sagitta), description of 240 



resemblance to S. decip- 



iens 241 



validity of 242 



planktonis (Sagitta), distribution of 263 



Philippine records of oc- 

 currence 264 



variability in number of 



teeth 263 



Pseudosagitta (validity of) 237 



Pterosagitta (validity of) 237 



m 



