SPONGIA. 
13 9 
horny fibres grou P eci > according to the arrangement of the 
“* of aSr ‘ pic “ 1 ”’ “ d “ uti ” 
f ■ Glioups or which ™ CoH SImM „ Sthhhchhh , S khowh. 
porous, treyeMedbT°mmt S t 1C V m0t,! 1<iSS 111 *«pe, very 
7*. i» mLZ£2 SET. -ft wWch sl “>« 
fibres anastomosed in all direetio^litV ^ skelet ° n cartlla S inous > 
Example, 8. communis (Pig. 40 m’) ° nt mj 6arthy s pieula.— 
j«™^S^ e >Tl7Zt or tT / dmtie ' ot h -* d - 
Balispongia (BlainviU^i^Z ^ ^ 40 W )• 
gular, porous, traversed by tortuous iv- T ^ nSld ° r fna hle, irre- 
at the surface in distinct orifices • XT tendMte 
strengthened by siliceous spicula general mtalagbcra8 ’ fibres 
Example $ Ffl 'fc S (Grant) ( F V m 3 U ” Cylindri ®h- 
Spongilla (Lamarck^ -IVTooa ° , ’ 
porous, but not furnished with “gdar’ o^ce^” “ regular ’ 
Example, 8. fluviatalis (Linn.). ' 01 Udei ' na4 caua ls. — 
n. e.« bkpbtoh oh Chhbhc™ or Shbmce „„ 
txENERAL Figure. 
oorieo of oriSM / b Jv * porouo envelope, which be,™ » 
(Sehmeiger). ““ taW ”’* r ■P«oo-E™ lp le, O. g iU ms „ 
CoeloptycMiim (Goldfuss).— Mass „ 
expanded, agariciform, concave and r ’ P Hcllcled > the upper par t 
?**«*-• Wow; substance ** * ““ 
XLt^L r ° i“ 1 m m ,he ** ° f £&£ a,armM - 
eitnple, concave or ZL **■ — * 
Zzr*"" 1 - M “ - Assess 
