1817.] Proceeuings of Philosophical Socteties. 393 
madrepora, isis corallina, spongia. 4. Twubiferi; Jobularia, &c. 
5. Natantes ; pennatula, &c. 
_ Class 3. Rapuara. Order 1. Mollia; berde, medusa, &e. 
2. Echinodermata ; asterias, echinus, &c. | 
Class 4. Twnicata; contains the ascidie of Savigny, of which 
we gave a short notice in our number for March. 
Class 5. Vermes. Order 1. Nuda; hydatis, tenia, monos- 
toma, &c. 2. Rigida; echinorhynchus, trichiuris, gordius, &c. 
3. Hispida; nais, &c. 
Class 6. Epizoarim. Lernea, &c. 
Class 7. Insecta. A. Mouth withasucker. Order 1. 4p- 
tera; pulex. 2. Diptera; musca, &c. 3. Hemiptera; cimex, &c. 
4. Lepidoptera; papilio, &c. —B. Mouth with mandibles. 
Order 5. Hymenoptera; apis, tenthredo, &c. 6. Neuroptera ; 
libellula, ephemera, hemerobius, &c. 7. Orthoptera; gryllus, 
blatta, forficula, &c. 8, Coleoptera; scarabeus, &c. 
Class 8. Aracunines. Order 1. Antennifera; pediculus, 
podula, julus, scolopendra, &c. 2. Palpifera; nymphon, caris, 
ixodes, oribata, hydrachna, siro, scorpio, aranea, &c. 
Class 9. Crusracea. Order 1. Cryptobranchia; cancer, ma- 
tuta, maia, pagurus, galatea, &c. 2. Gymnobranchia; squilla, 
gammarus, ligia, caligus, cypris, &c. 
Class 10. AnnELIDES. Order 1. Cryptobranchia; hirudo, 
Jumbricus. 2. Gymnobranchia; arenicola, amphitrite, dentalium, &c. 
Class 11. CirrarpreprEs.* Balanus, &c. 
Class 12. Motxusca. Clio, doris, helix, sepia, carinaria, &e. 
Class 13. AcrpHALA. Ostrea, Venus, &c. 
ArticLe XII. 
Proceedings of Philosophical Societies. 
ROYAL SOCIETY. — 
On Thursday, March 27, Mr. Marshall’s paper on the laurus 
cinnamomum was continued. He described the way in which the 
cinnamon was collected, the frauds practised by those employed in 
gathering it, and the way in which it is stowed in the ships to be 
transported to Europe. It is usually stowed along with black pepper, 
in order to save room; or if pepper be wanting, coffee is substi- 
tuted in its place. ‘The Dutch sometimes ordered an oil to be ex- 
tracted from the coarser kinds of cinnamon which were not consi- 
dered as fit for the home market. The method is simple. The 
bark is reduced to a coarse powder, macerated for some days in sea 
* Correctly Cirripedes, 
