ARAJ.TTICAI. ISDMC. 1> 



rll.APTER IV.- 



Feedi roneionaly, and swim. swiftly, . . r*ot SM 



iriatioo at dMhrent seasons, ... ib. 



Plate I.X II I. explained, .... ib. 



$ 5. OMSCCS (IDEOTEA) UTTOMON, .... ib. 



Baron de Geer had never aeen a living px^num, . . ib. 



Animal described, length, form, organ*, Ac., . . 230 



Dart* swiftly through the water, . ib. 



Feeds greedily on animal lubstances, ... ib. 



Plate LX 1 1 1., explained, . . ib 



$ 6. ASKLLUI MEDC&C, ..... ib. 



Two parasite* frequent the Mednaa, resembling the Cyclopean 



race among the Entomottraca, ... ib. 



I length, organ*, Ac., ..... ib. 



Dwell* a* a parasite on the Medott iwim* twiftly, . 231 



Spawn, t ...... ib. 



Plate LXII. explained, ib. 



B. - AlELLUB MEDUSA, ...... 



Form and habit* described, ib. 



i 



C. CTCLOPS BTAONOBUX, ..... ib. 



Observation* of Baron de Gear, Miller, and Baird, . . ib. 

 Cyclopean race characterised by one eye only, . ib. 



Animal described, . -' 



Ora, ... ib. 



Inhabit* fresh-water pool*, . ib. 



Plate LXIL described, ib. 



D. CYCLOP* PUMCTATOT, . . b. 



Cyclopean race dwell both in the fresh-water* and in the sea, ib. 



Punctatiu a minute animal, Ac^ . >b. 



Mores swiftly by jerks through the water, . 284 



Plate LXII. explained, ib. 



E. CrcLon FACIATDS, BeUei Cyclop*, 



It* form, Ac., described, ib 



Plate LXX. described, * 



7. NmraoH ORACIUS, ib - 



Styled the Spider Crab, ^ 



