78 
REPORT— 1847. 
in Owen’s spMimen, and even thirteen in that of Valenciennes. The last-Mnied 
author cwls this part the superior pair of the internal arm. Toward the infmor 
part of the head, nearer to the itfundibulum, which is situated at the median miinl 
me, there are two other processes in Owen’s and Valenciennes' specimens, theii. 
Jertorlobtelprocesses of the former, the inferior painf the w/wna/anu of tlte lit- 
ter. Owen atlnbntes also twelve tentacula to each of these processes. In this poiiit 
my sjacciraen « entirely different. On the right side I found funr Astuniii Ihw 
on a t^mmoa flat pcdunculua, the fourth and inferior on a separate dieitilw*. I 
also not ^eo with Owen in calling these in/e«V labial prucesses, t*'“^ u 
were in his specimen. In tlie specimen examined by me, thev were on the mb- 
interior than the aoperior labial processes. But at the leftsideaiBlI 
* ' ®rence was to be observed. Instead of a labial process, there was a tt« 
fn *t, > compressed from each aide ; at the basis its measure from tkdofid 
Th!«*^ *nrface Was one inch ten lines, from the right to the leftonlf oneiKh- 
proved to me by dissecting it to be formed by the union ^foaru- 
tentacular slips, one uf which was shorter and more free, thefiiw 
intprmr ,.!r btidy. lliis part occupied a great spice in tie 
ho fl.n circle of the head, and perhaps Its great deixlopmentmij 
e tUc tause ot the more mipcrfect state of the other three pair of labial procesees, 
On the Lepidoairon. By A. G. Melville, MJ). 
Lepulosiren the author had no hesitation in refo* 
allil/ fl k * °(!“"’Pbibia, aud was unwilling to unite Uiat class to tbeclwely 
(v>rtnt».>i 1 rested its reptilian churucter upon the absence of the ssp**- 
lorimcnt of the large epi- and hasi-craaiai bones, the non-ftif- 
n.ir and inter-maxillary bones, and espcciallv on the Mr^ffloua 
became subaervicnt to mastiahoa. Bd 
naiiic pterygoids; also on the composition of ^ tj®- 
(referrme to R,, !! rouble, and the posterior aperture ifltra-w^ 
relative devclnJ!mpi‘ 0“ the position of that aperture as inflnenced iv,^ 
sentutn ventrirnN Bupcnor maxillary and vomer); on the doubk aunch. 
vcUcls diairihiitn scmi-spiral bulbue arfrnosus ; on the arrangemeDtof^' 
from the Peters, of a right one, having like its fellow its otipa 
condition whirl ®*’®tenec of external cutaneous gills daritif the 
dSaut; *«)' fishes, aud were not the homologues of tie 
iofr^aUill “"‘I i co-existence of «temd ^ 
cuJativc rcsoirflti/ifi other words, on its athibitiog the different modts of “f* 
amphionja w mr second stage of tlie larva of the f«g»^ 
porod«a,VwScrtC“’ i'ke^e of the tadpole of the & « 
durnali*. ossified ne,,rnnn.o‘uterual gills and lungs with a cartilaginous cho^ 
tou iu ita devuloomrnt *“>d protruded hinder extremities •- wore 
havraranimi fSa^^^^^^^ gilU have wholly disapF^^l. sb<^ 
the hrain in relation i.^ Lepidosiren. The form and relatne sit* 
overlie Ihe fourth venir" i cavity, and certain caJcarcons concretions 
rities were to ^r « i'’"' additional arguments, &c. Jfanv of the pc«-»* 
marks on this sublet iJ adaptive characters; aud for some eicetlcot ^ 
Plagioatome fish ’ll* « mference to the osseous avstem in another tribe, M wittfe 
'^rTtion bv Lectures, voL ii.; the ab^o^ 
development of ihr «. amphibia might have an influence ca ^ ^ 
is conclusion, although the Upido^j; 
bion, and not aa n fi k amphibia, still he is forced to r^rd it as a tree 
oot as a fuh, and thus revert to the determinaUon of Bischoff. 
1^0 By C.W. Peach- 
150 have been founrf*!l?r** ^^^ociphytes fouad in the British islands we 224^0^"*^ 
foundadded Corymoiy/io lasbells^l^ 
^ teres; motherdepartmentePfnsam'^'®""'" 
