XX 



TABLE OF CONTENTS. 



Parasites and Commensals Continued. 



Coeleuterata Continued. Page. 



Family Perisiphonldfe 676 



Lafoea fruticosa 676 



Corals -- 676 



Porifera 676 



Unicellular organisms 676 



Dlnoflagellata 677 



Suborder Adinlda 677 



Family Proroceutridoe 677 



Prorocentruin ruicans 677 



Prorocentrum dentatum 677 



Proroceutrum rostratum _. 077 



Proroceutrum, sp 677 



Ciliata 077 



Order Trichostomata 677 



Suborder Aspitotricha-- 677 



Family Uronemida? 677 



Uronema echini 677 



Urouema digitiformis 677 



Hemispeira asteriasi _ 67S 



Suborder Spirotricba 678 



Section Peritrichu 678 



Family I.ichnophoridffi--- 678 



Liehuophora auerbachiu. 678 



Family TJrceolarildte 678 



Trichodina synapttt-- 678 



Hemispeiropsis antedouis__ 678 



Cycloclueta asterisci 678 



Cyclochteta ophiothricis 678 



Urceolaria opbiocomse 678 



Family Vorticellids 078 



Vorticella ampbiune _ 678 



Vorticella ophiocomae 678 



Vorticella, sp 678 



Rhabdostyla, sp 079 



Ubabdostyla arenaria _. 670 



Rhabdostyla, sp 079 



Cotburaiopsis, sp . - 079 



Sporozoa 079 



Order Gregariuida 079 



Suborder Mouocystidea _. 079 



Syncystis syiiapta-_ 679 



Syucystis mulleri _ 679 



Syncystis holotburia 1 .._ 679 



L,itboeystis scbueideri 679 



Foramiuifera 679 



Family Rotaliidse 079 



Truncatullna lobatula. 07!) 



Polytrema miuiaceum __ 680 



Comnieusalisiu of the crinoids 687 



Avoidance of crinoids by fishes 687 



Impendence of comatuliils upon pure, well-iterated walt-r 687 



