T R I 



T R I 



valves, clothed all over with numerous rigid, projefting de- 

 ciduous brilUos. Seeds numerous, fmall, inferted into an 

 ovate-oblong, central, uncounefted receptacle, and enve- 

 loped in a vifcid membrane. 



Eir. Ch. Calyx in four or five deep fegments. Corolla 

 none. Styles two, divided. Capfule briftly, of one cell 

 and four valves, with many feeds. 



I. T. launfolia. (Ablania g^ianenfis ; Aubl. t. 234.) 

 Laurel-leaved Ablani, or Trichocarpus. — Found by Aublet, 

 on the banks of rivers in Guiana, particularly about one 

 which empties itfelf into the Sinemari river, thirty leagues 

 above its mouth. This tree bears flewers and fruit in No- 

 vember, and is known to the Caribbee Indians by the name 

 of Goulougou-Ablani. Its trunk is forty or fifty feet high, 

 about two feet and a half thick, with a fmooth reddiih bark ; 

 the wood white, with fome rednefs at the heai-t. Branches 

 numerous and widely extended in all direftions. Leaves al- 

 ternate, (talked, elliptical, bluntly pointed, entire, rigid, 

 fmooth, undulated, with one rib and many tranfverfe veins ; 

 their greateft length feven inches ; breadth two and a half. 

 Flowers fmall, in (hort, fimple, axiUary or terminal, fpread- 

 iiig clufters. Stamens white, with yellow anthers. Capfule, 

 when its briftles are fallen, about the fize of a filberd. Its 

 valves are likewife foon deciduous, leaving the feeds enve- 

 loped in a red vifcid membrane. Nothing is recorded of 

 the ufe or qualities of any part. 



TRICHOCEPHALUS, in Zoology, a genus of the In- 

 teftina order of Vermes ; the charadters of which are, that 

 the b«dy is elaftic and contorted, the hinder part thick and 

 elevated, the anterior capillary and of double length, fome- 

 times terminating knotty. Of this genus there are fix 

 fpecies, diftributed into two clafles : viz. 



* mthftmple Head. 



HoMlNls. Above fubcrenated, beneath fmooth, fore- 

 part very fubtilely ftriated ; two inches long. 



Equi. Two inches and a half long. 



Apri. With tail on both fides furnilhed with crenated 

 fcales ; equal to the human. 



MuRis. With the head three-knotted : found in the in- 

 teftine of the moufe, between the duodenum and reftum. 



VuLPlS. Witli an acute head; neck tranfverfely ftriated, 

 and unilateral veficles. Found in the coecum of the fox. 



** With nncinated or hooled Head. 

 Lacert/E. With tail on botli fides fcaly. Found in 

 the inteilines of the lizard. 



TRICHODA, agenusofthe Infuforia order of Vermes; 

 the charafters of which are, that the worm is inconfpicuous 

 with the naked eye, pellucid, and hairy on the other part. 

 Gmclin's edition of Linnsus comprehends forty-feven 

 fpecies. 



* Without a Tail. 



Patella. Univalve ; before and behind furniflied with 

 extended unequal briftles. Foiuid in the marflies of Den- 

 mark. 



Inquilinus. Vaginated with a green fmall cylindric 

 bag, and retortile pedicel. Found in very pure fea-water. 



Anas. Elongated, with the apex of the neck elongated 

 beneath. Found in pure waters. 



Larus. Dilated forward, with a gibbous back. Found 

 in marfhes in which the leaves of the poplar putrefy. 



Ursula. Smooth, elongated, equal, on the fore-part 

 hairy. Found in putrid infufions of hay and other vege- 

 tables. 



Sannio. Incurvated ; above ciliated, below truncated. 

 Found rarely in water furnifhing duck-weed. 



Vol. XXXVI. 



L«fTER. Ovate-t)blong, fomewhat prominent at both 

 ends. Found by the Greenlandere in water, in which the 

 lichen coriarius has been infufed. 



PuBES. Ovate-oblong, gibbous, on the fore-part de- 

 preffed. Found in duck-weed water. 



Cyprls. Obovate, above finuated towards the hinder 

 part, on the fore-part hairy. Found in water covered with 

 duck-weed. 



CvcLlDiUM. Ovate, with gaping apex and hairy bafe. 

 Found in water in which vegetables have been infufed. 



Urinarium. Ovate, with a very Ihort hairy beak. 

 Found in an infufion of hay. 



Lepus. Ovate, with hairy apex and briftly bafe. 

 Found in animal and vegetable infufions. 



Caloitium. Broadifti, oblong, on the fore-part fur- 

 nilhed with ftiining fmall corniaules. Found in vegetable in- 

 fufions. 



SiLURUs. Oblong, hairy before and behind, with a 

 ciliated back. Found in water abounding with con- 

 ferva. 



Mytilus. Subclavated, at both ends wider, green and 

 ciliated. Found in marlh-water. 



Urnula. Pitcher-ftiaped ; before hairy. Found rarely 

 in water covered with duck-weed. 



Lynceus. Subquadrate, with hooked beak and hairy 

 mouth. 



Sem'ILUNa. Semi-orbicular, on the fore-part below 

 hairy. Found in duck-weed water. 



Orbis. Orbicular, emarginated and hairy on the fore- 

 part. 



CiMEX. Above convex, below fmooth and hairy. Fotind 

 in vegetable infufions. 



Charon. Cymbiform, on the front hairy. Found in 

 fea-water. 



Tinea. Clavated, on the fore-part hairy ; behind thick. 

 Found in hay infufion. 



Trigona. Convex, before ciliated, and behind eroded. 

 Angulus. Angulated, hairy at the apex. Found in 

 hay-water. 



Pullaster. Ovate, before finuated ; criftated in front 

 and hairy at the bafe. Found in dock-weed water. 



PuLEX. Ovate, before incifed ; in the front and bafe 

 hairy. Found as the laft. 



Pellionella. Cylindric, before hairy, behind briftly : 

 in vegetable infufions. 



Ca.melus. Hairy on the fore-part, thickifh in the 

 middle ; and on both fides emarginated. Found as the 

 laft. 



AcARUS. Piriform, on the fore-part below hairy, be- 

 hind pedated : in water covered with duck-weeds. 



Bomba. Mutable, on the fore-part furniflied with fcat- 

 tered hairs : as the laft. 



Granata. Spherical, with opaque centre, and hairy 

 periphery : as before. 



CoMETA. Spherical, before hairy, with an appendant 

 globule. Found in very pure water. 



Grandinella. Spherical, pellucid, above hairy : as 

 the laft. 



Sol. Globular, radiated : in water kept three weeks. 

 Syncaster. Subquadrate, with obtufe beak, and diflc 

 with ftiining pedicels. Found in fea-water that has been 

 kept. 



Rattus. Oblong carinatcd, the fore-part having very 

 (hort hairs, the hind-part a long fimple briftle : in ftagnant 



waters. • 1 l • 



Ciliata. Ventric«fe, behind pe6linatcd with hairs. 



Found in mufcle-wat?r. 



F f Sulcata. 



