THE BLOOD-SUCKING LEECHES

1349

finals 1

aff ec ^o n lave ^ Jeen recommended in phthisis, and also in some abdominal

u n|i t U [ ln f ^ le spawning season (May, June, and part of July) oysters are0 be used as articles of food.

Class 4. Cephalopoda , Cuvier . —Cephalopods.

att ' c ula( U 'l^ 0Sei ' a b a £ [mantle). Head protruding from the bag, crowned with in-l " 0 !«esO arms > furnished with cups or suckers, and surrounding the mouth. Eyes^ *" Mouth , with two horny mandibles. Hearts three. Sexes separate.

>C 0rC ,™ F,s «- The substance called os sepia: or cuttle-fish bone is an oval* ,l, "tnal ^Vi Care,,us h ,l,le (sometimes termed a shell) deposited in the mantle of thea bt) . be common species of sepia is 5. officinalis, Linn.; hut S. elegans, Blainville,2%h Jrj |j 2 ^ ) ,t 1,1 tlie cuttle-fish bone of the shops (Brandt and Itatzeburg, Med.

^ las a cellular texture, and is so light as to float on water. It is cast in con-

“Mv" '■ ' ' '• " — ..

qulmUiw'mriheX^,” ud U collected for commercial purposes. It was

'judnunes on the shores, auu -

by John, who found the contituents to be as follows

Carbonate (with a trace of phosphate) of lime....‘'"■'-gelatinous animal matter, soluble in water with

t; o""! e common salt....

^■atinous membrane, not soluble in water.

ale r, with a trace of magnesia..

Hard,

Upper or OuterPortion

porous

Part.

a ^du ce j ....

6 ar ts a r ! ,mv "er it is used as a deutrifice. It is employed for several purposes in’ s *or polishing, for forming moulds for small silver castings, and as a pounce.

Cb »ivision IV. ARTICULATA, Cuvier . —ARTICULATED ANIMALS.

Sit*

tn tH0 Curd"'' Ue ^' Muscles attached to the inner surface of the skin. Nervous systemynts at • s . exte 'ided along the ventral surface of the body, with ganglionic eniarge-P "»gu s . ,lterv als (diplo neura ); the anterior ganglion (brain) placed over the oeso-

Class 5. Annulosa, Macleay .— Annulose Animals.

Annelides seu Annelida.

Articulated

* 1 'M6er m ° re or ,ess elongated. Skin soft, segmented and annulated.s a| id wings absent. Blood red.

Sanguisu'ga , Savigny .—The Bloodsucking Beeches .

Iatrobdella, Blainville.

lvli e ,; s . T °Uv.—We have no accurate knowledge as to the exact peiiodtliijj , Relies either became known to, or were employed by, man , ue bcienc.y of information is not necessarily referrible to t leu isthe C " V l >re ceding the date of our historical documents. It is tiue . a in1 o') '^C’non version of our most ancient record , the Bible [riov. xxx.(Siyl lls Passage occurs, “ The horse-leech hath two daughters, crying,Bive;” critics are not agreed as to the correctness ot

“ W anslali °n. The word ‘ Olukehfi or “ Alukafi here mterpre edSe 'leech," means, according to Bochart, destiny or fate, either o