CCELOCYSTIS. 



COLEOCILETE. 



CCELOCYSTIS, Kiitz. Probably a resting 

 form of EUGLENA. 



CCELOSPFLERIUM, Nag. Probably the 

 same as COCCOCHLORIS. 



CCENURUS, Rudolph!. A supposed 

 genus of Entozoa, placed in the order Ste- 

 relmintha, and family Cystica. 



Char. A simple vesicle, filled with an 

 albuminous liquid, upon the outer surface of 

 which a number of soft, short, retractile, cylin- 

 drical and rugose, rather than jointed bodies 

 are situated. The head of each resembles 

 that of a T'enia, having four disks and a 

 crown of hooks. 



Recent researches have shown that the 

 single supposed species, C. cerebralis(P\.\6. 

 fig. 10), is the larva of a new species of Teenia, 

 allied to T. marginata. 



It occurs in the brain of sheep, producing 

 the " staggers ; " sometimes also in that of 

 the Horse, the Ox and the Rabbit. The vesi- 

 cle is as large as the egg of a hen or a 

 pigeon. The bodies when extended are 

 about the 1-5 or 1-6" in length. When 

 retracted they appear to the naked eye as 

 opake white specks. 



BIBL. Dujardin, Hist. nat. d'Helminthes, 

 p. 636; Kiichenmeister, Cosmos, iv. p. 

 388. 



COFFEE. The "berries," as they are 

 vulgarly called, of coffee, are the seeds of 

 Coffcea arabica, a Dicotyledonous plant, of 

 the Nat. Order Cinchonaceae. The bodies 

 consist chiefly of the hard homy albumen (see 

 ALBUMEN of plants), and this being com- 

 posed wholly of cellular tissue, it is possible 

 to ascertain the presence of adulterations 

 in ground coffee in many instances. Thus 

 chicory, parsnips, carrots and similar sub- 

 stances roasted and ground up with coffee, 

 may be detected by the presence of fragments 

 of the ducts and vessels of various characters 

 which occur in these roots. 



COIR. The term coir-rope is applied to 

 cordage manufactured from the fibrous tissue 

 of the husk of the cocoa-nut. See FIBROUS 

 SUBSTANCES. 



COLACIUM, Ehr. A genus of Infusoria, 

 of the family Astasiaea. 



Char. Not clearly determined. A single 

 eye-spot (sometimes absent) ; body fixed by 

 a pedicle, which is either simple or branched. 

 Parasitic upon Entomostraca and Rota- 

 toria. A vibratory organ is present in front, 

 but whether consisting of a flagelliform 

 filament or a number of cilia is unknown. 



C. vesiculosum (PI. 23. fig. 32). Ovato- 

 fusiform, variable, internal vesicles distinct, 



pedicel very short, rarely branched ; bright 

 green; length 1-860". 



C. stentorium. Cylindrical, conical or fun- 

 nel-shaped, variable, internal vesicles less 

 distinct, pedicel generally ramose; bright 

 green; length 1-1150". 



BIBL. Ehr. Infus. 115. 



COLEOCILETE, De Brebiss. A genus 

 of Chaetophoracese (Confervoid Algae), of 

 which one species, C. scutata, is apparently 

 pretty common in freshwater pools, forming 

 minute green disks (fig. 134 ) adhering to 

 Fig. 134. Fig. 136. 



Coleochaete scutata. 



Fig. 134. A perfect plant. Magnified 25 diameters. 



Fig. 135. Propagula from the back of the frond. Mag- 

 nified 50 diameters. 



Fig. 136. Commencement of the development of a frond 

 from a propagulum. Magnified 10 diameters. 



leaves, to the larger Confervae, sticks, &c., 

 also to the sides of glass vessels in which 

 aquatic plants are kept growing. The disks 

 are formed of a number of dichotomous fila- 

 ments radiating from a central cell and 

 cohering laterally, the whole being closely 

 applied on the surface of support, so that 

 the discoid form is occasionally modified by 

 this (we have seen it forming a kind of cup 

 and irregular fan-like lobes, on the ends of 

 the articulations of Hydrodictyori). In cer- 

 tain cases the filaments are more or less free 

 from their lateral union. The contents of 

 the cells are as usual in this family ; Ralfs 

 was in error in stating that they are collected 

 in the centre; this is only the case when about 

 to be converted into zoospores, or when 

 dried. From the back of many of the cells 

 projects a long tubular process (fig. 134), 

 with a bulbous base ; this is at first closed, 

 but afterwards open and slightly everted at 

 the mouth, from whence emerges a very 

 slender bristle. The nature of this structure 



