ILLUSTRATIONS. 



Fishes of Samoa: 



Plate XXXIII. 



XXXIV. 



XXXV. 



XXXVI. 



xxxvii. 



XXXVIII. 



XXXIX. 



XL. 



XLI. 



XLII. 



XLIII, 



XLIV. 



XLV. 



XLVI. 



XLVII. 



XLVIII. 



XLIX. 



L. 



LI. 



Facing page. 



Callyodon abacurus 324 



Ctillyodon fumifrons 32G 



Tetraodon nigropunctatus 370 



(1) Asterropterix scmipimctatus. (2) Hetereleotrisclara. (3) Hetereleotris phaenna 392 



(1) Vitreola sagitta. (2) Khinogobius neophytus. (3) Chtenogobius erythrops 400 



(1) Archamialineolata. (2) Gnimmlstes sexlinoatu.s. (3) Pharopteryx melas 456 



Oceaiiops latovit Uita 4.56 



(1) Pomacentrus pavo. (2) Pomacentrus vaiuli 456 



(1) Abudefduf oa?lcsttaus. (2) Abiidefduf dicki 456 



(1) Abudefduf anmbilis. (2) Abudefduf antjerius 456 



(1) Abudefduf leucopomus. (2) Abudefduf unioeellatus. (3) Abudefduf taupou 456 



(1) , Chromis Cicruleus. (2) Pseudocheilinus hexatEenia 456 



(1) StethojuU.s casturi. (2) Stethojulis bandanensis. (3) Leptojulis pardalis 456 



(1) I'latyglossusmargiuatus. (2) Platyglossus flos-eorallis. (2) Halichceres centiquadrus 456 



(1) Haliehceres trimaculatus. (2) Halichceres daedalma. (3) Halichosres opercularis 456 



(]) Callyodon spilouotus. (2) Callyodon prasiognathus. (3) Callyodon maoricus 456 



Callyodon latax -456 



(1) Megaprotodon trifascialis. (2) O.Kymonacanthua longirostris 456 



Pterols volltans 4.56 



(1) Dendrochirus sausaulele. (2) Valenciennea Tiolifera 456 



(1) Kelloggella cardinalis. (2) Synchiropus lili. (3) Petroseirtes atrodorsalis 456 



TEXT FIGURES. 



Page. 

 Physiological effects upon fishes of changes in 

 eexsity and salinity of water: 



1-2. Dc\ice used in experiment to determine the 



part played by the gills in osmotic exchanges. 98 



HlRUDINEA AND OLIGOCH.*:TA OF THE GREAT LAKES 



region: 



1. Actinobdella atinectens, anterior end 161 



2. Actinobdella anncctens, posterior end 161 



3. Stylaria fossularis 168 



4. Schmardaella filiformis 168 



5. Limnodrilus gracilis 169 



6. Diagram of the principal reproductive organs 



contained in the tenth, eleventh, and 

 twelfth somites of Limnodrihts tn'tJriliii, as 



seen from the side 170 



Fishes of Samoa: 



1. Periopbthalmus barbarus 17S 



2. Himantura fai 184 



3. Anchovia apiensis 187 



4. Anchovia evermanni 188 



5. Chlevastes fasciatus 195 



6. RhinamurEena eritima 196 



7. Gymnothorax talofa 201 



8. Echidna trossula 204 



9. Anarchias allardicei 205 



10. Anarchias knighti 205 



11. Zenarchopterus vai.siganiK 208 



12. Cypsilurus unicolor 209 



IS. Cypsilurus speculiger 209 



14. Cypsilurus pcecilopterus 210 



15. Cypsilurus quindecimradiatus 210 



16. Cypsilurus katoptron 211 



17. Cory throichthys waitei 212 



IS. Corythroichthys sealei 213 



19. Corythroichthys mataafse 213 



20. Microphis brachyurus '. 214 



21. Microphis caudatus 214 



22. Microphis torrentius 215 



23. Athcrina uisila 216 



24. Myripristis sanguineus. . . , 221 



25. Holotrachys lima 222 



26. Holocentrus pruslin 225 



of Samoa — Continued. Page. 



Decapierus lundini 230 



Caranx plumbeus 233 



Caranx gilbert! 234 



Monodactylus argentcus 237 



.\mia exostigma 238 



Amia crassiceps 239 



Amia savayensis 240 



Amia koilomatodon 241 



Amia aroubiensis 242 



Amia novemfasciata 243 



Amia novemfasciata, color variation 243 



Amia fusca 244 



Amia doryssa 246 



Amia lateralis 246 



Mionorus grseffei 247 



Foalo 248 



Foa vaiulffi 249 



Apogonichthysmarmoratus 250 



Afiogonichthys isostigma 251 



Ambassis lafa 253 



Ambassis vaivasensis 254 



Chorististium susumi 256 



V:,n"]:' v..:.,:,!l-iliata 257 



. Tlialassoma cyanogaster 306 



. Scarichthys cseruleopunetatus 312 



. Callyodon pyrrhurus 315 



. Callyodon ruberrimus 316 



. Callyodon purpureus 317 



. Callyodon ery thacus 318 



. Callyodon upolensis 320 



. Callyodon zonularis 322 



. Callyodon bataviensis 323 



. Callyodon keUoggli 327 



. Callyodon cyanogrammus 330 



. Callyodon ultramarinus 332 



, Callyodon lazulintis 334 



. Hepatus aquilinus 353 



. Lo vulpinus 361 



