92 THE BERMUDA ISLANDS. 



or fliers are essentially forms common to temperate United 

 States, while the non-fliers or arachnids are more nearly trop- 

 ical or sub-tropical forms, or such as have required drift 

 material to transport them to their present habitation. The 

 former have evidently been carried across the interposing arm 

 of the sea in the manner of the rarer birds i.e., through the 

 instrumentality of storms. Dr. P. R. Uhler, who has kindly 

 looked over our collections of Orthoptera, Neuroptera, etc., in- 

 forms us that strong winds blowing off the mainland of Mary- 

 land and Virginia carry countless numbers of nearly all kinds 

 of insects out over the ocean, and that those that are dropped 

 into the sea are " returned to the shores by the tides and piled 

 up in windrows along the beaches. Among these we have 

 often found the half-drowned dragon flies mixed in with the 

 thick piles of beetles, bugs, wasps, and flies which stretched 

 along the line of the retreating tide." That many thus wind- 

 swept reach to distances at least as remote as the Bermudas 

 there can be no question. 



We observed during our brief sojourn but four butterflies, 

 Danais archippus, Pyramis Atalanta, P. cardui, and Junonia cnenia, 

 all common forms of the United States, and these appear to be 

 nearly all the forms that are usually met with in the islands. 

 Three or four other species of day-fliers have been observed at 

 different times, but they are of such rare occurrence as to 

 barely constitute true elements of the Bermudian fauna. Our 

 beetles were limited to some five or six species, which Dr. Horn 

 has kindly determined for me to be Ligyrus tumulosus, L. gib- 

 bosus, Agonoderus lineola, Cicindela tortuosa, and Opatrinus 

 anthracinus, forms common to Cuba and the Southern United 

 States. A number of other species of Coleoptera have been 

 collected in the islands, but I am not aware that they have as 

 yet been carefully determined. 



From the list of Orthoptera, Pseudoneuroptera, and Dermop- 

 tera which Dr. Uhler has prepared for me it will be seen that 

 they represent types which are included in the United States 

 fauna of the region between Cape Cod and Florida. Dr. 



