196 



Index 



cestodes, as parasites, 141 

 cetacean, in Ganges delta, 27 

 Chaetoceras, 34 



C. debile, 29 



C. miilleri, 29 



C. subtile, 29 

 chaetognaths, in Thames estuary, 



28 

 chaetopods (see also annelids and 

 polychaetes) 



chlorocruorin, 121 

 changes in animals, 93 

 chironomids, gill cavity, 98 



haemoglobin, 121 



larvae, in salt water, 31 



larval tolerance to salt, 77 

 chlorides, in sea water, 73, 76, 77 

 chlorine, in fish blood, 116 

 chlorocruorin, in blood of chaeto- 

 pods, 121 

 chlorophyll, 6 



in blood of insects, 121 

 Chondrus, beach zone, 18, 19 

 chordates, early, 7 

 cichlids, bizarre evolution, 50 

 ciliates, in salt marsh, 33 

 ciscoes, activity, 90 



euryhalin, 84 

 clams, 27 



adaptations, 38 



body fluids, 118 



food requirement, 57 



gill cavities, 98 



in mud, 24 



in rivers, 31 



in salt marsh, 33 



salt toleration, 77 

 climbing perch, 36 



feed on insects, 58 



on land, 60 

 coati mundi, 51 

 Coccinodiscus biconicus, 29 



C. grani, 29 



C. rothi, 29 

 coelenterates (see also hydroids, 

 hydrozoans) 



in Ganges delta, 27 



largely marine, 93 

 Coenobita, 45 



excretion, 129 



on ground, 96 



reproduction, 134 



C. clypeatus, blood salinity, 113 

 gills, 102 

 Coleoptera (see also beetles, insects) 

 ■ in soil, 39 



invasion of ponds, 14, 43 



salt resistance, 72 

 Collembola, resistance to drying, 87 

 commensals, 140 

 copepods (see also Crustacea) 



in Thames estuary, 28 



parasitic, 140 



parasite on crabs, 67 

 copper, in haemocyanin, 121 



in sea water, 42 

 corals, reefs, 20 



salt toleration, 71 

 Corophhim curvispinum devium, 29 



C, grossipes, 29 



C. lacustre, 29 



C. volvulator, 29 

 crabs (ses also crustaceans) 



assortive mating, 63 



body fluids, 41, 112, 117 



branchial chambers, 102 



