ILLUSTEATIONS. XIII 



Page. 



Shoulder girdle of Antigonla rubescens 570 



Aboma snyderi 575 



Bnjostemma tarsodes 614 



Bri/ostemma decoratum 616 



Bvijolophus lysimus 618 



Right shoulder girdle of Gastci'osteus cataphradus from inner side and hypo- 



coracoid of left shoulder girdle from outer side 627 



Left shoulder girdle of Aidorhynchus flavklns from outer side 628 



Left shoulder girdle of A vJoitfomuft mJejifiiii from outer side 629 



Right shoulder girdle of Fistula rin jh thnlm from outside 630 



Right slioulder girdle of M((criirli)iiiijtliosiis mgifue from outer girdle 632 



Right shoulder girdle of jEoHscus strigatus from inner side 633 



A single cluster of the eggs of Argidus caiostomi 655 



Eggs of Argulus megalops about ready to hatch 656 



Larva of Argulus megalops just ready to hatch 660 



First and second antennse of newly hatched larva of Argulus megalops 663 



Second antenna and labial palp of newly hatched larva of Argulus foUaceus 



( modified from Claus ) 664 



Anterior maxilliped of newly hatched megalops larva, ijhowing musculature. . . 665 



Posterior maxilliped of newly hatched megalops larva, showing armature 665 



Chitin skeleton of the proboscis of a newly hatched megalops larva 667 



Abdomen of newly hatched male larva of Argulus megalops 669 



Larva of Argulus foliaceus after the first molt (from Claus) 672 



Anterior maxilliped of foliaceus larva after several molts, showing transition 



from a claw to a sucking disk (from Claus) 673 



Dorsal view of adult Argulus megalops (female) 677 



Border of sucking disk in Argidus americanus 681 



Border of sucking disk in Argulus megalops 682 



Posterior swimming leg of Argidus americanus 685 



Sting and poison gland of Argidus versicolor 686 



Mouth parts and chitin skeleton of proboscis of Argulus foliaceus (after Claus) . 687 



Dorsal view of the heart of Argulus americanus (diagrammatic) 690 



Side view of the heart of Argulus americanus (diagrammatic) 691 



The nervous sj^stem of Argulus americanus 692 



Female sexual organs of Argulus americanus 693 



Semen receptacles and papillte of Argulus americanus female, under greater 



enlargement 694 



Male sexual organs of Argulus americanus 696 



Hierichthys encryptes 744 



Lycenchelys pa;cilimon 748 



Boihrocara zesta 749 



Otopliidium asiro 752 



Myxocephahis jnpotucus 756 



Foroi/'idiis ,/i'i,,ilhri 763 



Venatii >n of ' dance pectenalscella Chambers 783 



Draconetta xenica 940 



Calliurichthys japonicus 942 



Calliurichthys variegatus 944 



Calliurichthys doryssus 946 



Calliutn/uni's hinatn.'< 949 



CaViinnjuins ralfarienufyi 951 



CaUiunymusjliajrts 953 



Callionymus callisle 954 



Cullionymus virgis 958 



