f>90 



MEDUSAE OF THE WORLD. 



The U. S. Fisheries Bureau steamer Albatross found this medusa in Manila Bay at the 

 ship's anchorage on April 25, 1908, and again at station D, 5222, between Marinduque and 

 Luzon, 9 miles oft San Andreas Island, on the surface on April 24, 1908. 



Dr. Hugh M. Smith tells me that this medusa inflicts a very severe sting upon persons who 

 may venture to handle it, and he believes it to have been the species which stung nine bathers 



FIG. 418. Lobonema smithii. Drawn by the author, from a preserved specimen. 



A, diagrammatic illustration of one of the mouth-arms, to show the window-like openings in 

 side walls of arms. B, side view of a mouth-arm, showing canal-system (dotted). 

 C, rhopalium and one of the marginal lobes. 



in Manila Bay whose cases were reported upon by Edward H. H. Old, Asst. Surgeon, U. S. 

 Navy. One of these cases proved fatal, and they all occurred during the summer months of 

 1906-07. The skin where the sting occurs becomes red and vesiculated and "weeps" as does an 

 eczema. Soon general pains develop throughout the body, especially in the lumbar region. 



