TRANSACTIONS OF THE SECTIONS. 
95 
uDol so frequent in lliose countries; but through want of statistical facts, this cannot 
kiKertained at present. _ , 
J. We are daily taugbt by experience that those labouring under tubercular disease, 
indfren under consumption, may at the same time become udected with ague. 
6. Though perhaps ague docs not apjiear in them in so severe n form, still ague 
fliBvmttffidi in tuberadar individuals camiot be considered as salutary, for wc know 
b)' oporience that the softening of tubercles is commonly fostered by ague so muen, 
tut it may be ascertaiued asa iiraclical rule, that ague in tubercular iadividuHla ought 
te be cured by speciftes as quicUy as possible. 
fiomifinfioR of the Corpiisflest of the Blood of Aropliioxns lanceolatus. i?y 
T. H. HextEt, Esti-. Atsisiant Surgeon of H.M.S. Uattlesnake. (Cowim«/<i- 
ettfd tyT. Wharton Jones, F.H.S .; with souie Preliminary Remarks and 
Mr. Jones’s Vapers on the Blood Corpuscles (Phil. Trans. 1846), 
«thick the results to be expected from an examination of the Blood of Ain- 
pluoxus are enunciated). 
In September last] wfw furnished, by the kindness of Professor Kdward Forbes, 
willinoeof the living spocimens of Amphioxna lanceolaltu, which that gcnllcmou 
mbibitfd at the meeting of Uic British Association at Soulhnmpton, 
On the succeeding day I proceeded to examine the blood of the animal, but It un- 
wrtmttly no longer exhibited .uiy sigu-s of life, and it was with difficulty that I 
uUnised iwn drops for that purpose; the one by making an incision into the skin 
[bsTin? first carefully dried the surface), the other by cutting off tho extremity of 
ibeuif, ‘This dhBcuHy will, 1 trust, ho a sulliciciit excuse for the want of that coni- 
pltuacsi about the folknving statements, wliich more frequently repeated observations 
®igbi have given them ; nt the snnio time I believe thev will lie found correct as far 
u they go. 
^ Tlie blond was thin and had a very slight rusty tinge. Under tlie microscope (ob- 
jScUvcjibofaii inch, Rosa) itpresented the following appparanecs: in both spechnensa 
numbcf of largo irreguku pale greenish granule-cells ruthor more than 
tf'ibamctBr: these coiuaiiiod iifcw scattered strongly refracting gramilca, were shot 
wtmtoonoortwo irregnW processes, and adhered together into masses. Besides 
there were others having much the same ehaructevs, hut possesfliug cither more 
• r ** cotuplidc gradation exhibited from those which 
n^H t if gtamiles, tu those whicti hud quite a fine texture without any gra- 
fiyilio action of water the processes become oblitersted, arid the granules all 
the form of a very pale niid colourless globular ct H, with largo granules here 
*tod a vciy pule nucleus occupying rather less than half its diameter. In 
such II nucleus flouting about attached only to a 
»;iiw which* appeared bound together by an intermediate substance in- 
lw«»* * tranujiarejicv, 'I’lie whole mass nnpcarcil to ha^'c become free by the 
of ih? ecli-wull, wfiich was uowhero to bo detected. In one siiecinien only 
tou-U by pmicludug tlio skin) 1 observed two romidi«h «>r slightly oval cor- 
rather tnore timn x^tU of an inch in diameter, with u nticleus occupving 
of tlml extent, i’liis nucleus w-as grtenidi-looking, and refracted light 
y. while the celhwall was of n palo reddish colour and exceedingly delicate, 
w tliat it seemed more like a reddish halo round the nucleus than a distinct 
y^re Altogether, with tho exception of the laat-meiiliomd corpuscles, the 
‘he Amphioxus had a m.«t remarkable resemblance to ffiat of an invertebrate 
i®i»ltliat in every particular. |^Thia coinmunicalion was iliiisiratcd by ngures.j 
Scarlatina increased anti aggyaeated by Ike want of Ventilation. 
.j- By tAc Kev. Thomas Uankin, .3/.^. 
ikt ‘he circmnstancfs of five ensv* of icarlaiinn which occurred in 
•apport S Dalton, near DuflieUl, Yorkshire, in the autumn of 1816, which 
nie itateinent contained in the title of this communication. 
