344 Dr. M*Keii}€r m the Influence of Solar Light [Nov. 



The follo^ng series will exhibit the manner in whick the 

 orders appecir to be connected together: — , , , , 



f 'w'^idj"! ' Ordtr I._Peimates. 'T'^ «f '^^"- 



MI h^y^iJ^VP'^'^^l Groups. Anncctant G^o/tfJf.B ^[^^^J, 



. «<90ifiMr^^;. Hominidae. 3. Lemuridee. >) fRrroft 



aibolsk&i Sariguid*. 4. Galeopithecidse-.' ,f 



"^-^ '^*'^*' " 5. Vespeftilioniiif^'u>MjM-r^ 



,„, Or^er II.—FERiE. ' '^''^f^' ^'ofi^.i/d , . 



r^,.,J:am. 1. FeUdae. 3. Talpidae. I'^vTasdo 



2. Ursidse. 4. Didelphidae^o, rionn li. 



6, Phocidee. f.>J^tr.,r, 



0;{/er III. — Cet^. 



Typical Gronj)s, Anneciant Groups. 



Fam. 1. Balaenidee. 5. Trichechidaj. 



2. Delphinidffi. 4.? Manatidee. 



- J/ . ;:lju...ji ^^M^r-H^i^pridse. 



Histricidee. Leporidee, 



MuridsB. lerboidae. 



AspalacidaB. 

 I am uncertain which are the typical families of this order. 



Order V. — ^^Ungulata. 



Fam, 1. Bovidse. 3. Elephantidae. 



2. Equidee. 4. Dasypidse. 



5. Bradypidse. 



Article Vil. 



On the InJIiience of Solar Light on the Process of Comhusfion. 

 By Thomas'M'Keever, MD. 



(To the Editors of the Annals oJ'Fhilosophj/.) 



GENTLEMEN, 

 There is an opinion' prevalent in this, and I have reason to 

 believe in other countries, that the sun's rays, or even the ordi- 

 nary light of day, when admitted freely into an apartment in 

 which a common fire is burning, have the power either of dulling 

 it considerably, or should the combustion be going on languidly, 

 of altogether effecting its extinction. Hence it is a common 



