THE HABPSWELL LABORATORY 511 



sheltered water or within safe distance of harbors, and the strong tide 

 sweeps which are familiar to the collector at many of our other labora- 

 tories are not present here, except in one or two points, hence the fear 

 of being carried away from the collecting ground never disturbs one. 



A mile from the laboratory is the site of the Old Tide Mill, now no 

 more, but represented by the rapids which served in former years to 

 turn the wheels of the mill. The open sea is led in communication 

 with a large tidal pond by a long, narrow cove, at the narrowest portion 

 of which the old mill once rested. Through these narrows and over 

 the rocks the tide rushes at twelve knots an hour into the pool at rising 

 tide and out again at falling tide. Beneath these rocks is a veritable 

 curiosity shop for the novice and an Eldorado for the biologist. An 

 invoice from the overturning of a single stone, in genera, is given as 

 follows : Tetliya, Cliona, Tubularia, Clava, Metridium, Astcrias, 

 Crihrella, Ophiopholis, Ophioglypha, Strongylocentrotus, Pentacta, 

 Tetrastemma, Lepidonotus, Spirorbis, Membranipora, Balanus, 

 Pagurus, Cancer, Carciniis, Idothea, Purpura, JEolis, Molgula, Lepto- 

 cUnum and Amaroucium. The most fastidious could scarcely ask for 

 a greater galaxy. 



Across the cove and opposite the mill-site is a fishermen's village. 

 Here are brought in, from the open water and the sounds, fish of all 

 descriptions. Aside from the food fishes, such as rock cod, hake, pol- 

 lock and the like, these men may, at the request of the laboratory, 

 bring back numbers of sand-sharks, rays and dog-fish, the " candles " 

 or egg-cases of which afford possibilities for embryological studies, both 

 descriptive and experimental, hitherto scarcely recognized. The abun- 

 dance of the material supplied by these fishermen is taken advantage of 

 by Professor F. D. Lambert, who maintains a supply station for zo- 

 ological material in connection with the laboratory on Harpswell. No- 

 where, to the writer's knowledge, is such an abundant supply of choice 

 material made available to the zoologist. 



Nearer the laboratory, on the sandy shores of a neighboring island. 

 Nereis and Sipunculus may be dug in large numbers. Cerebratulus, 

 represented by two species, one being the giant form, occurs near the 

 " bridge," while Balanoglossus, Pholas, Zirphcea and other interesting 

 and important forms, from the point of view of the experimentalist, are 

 to be found in the same vicinity. But it is impossible to go on. One 

 would of necessity give a catalogue of the fauna of Casco Bay if he 

 desired to do the matter justice. 



The history of the laboratory is brief. The late Professor Lee, of 

 Bowdoin College, insisited upon the desirability of establishing a sta- 

 tion for the study of marine forms in the Gulf of Maine, and specifically 

 in Casco Bay. In 1898, Professor Kingsley, together with a band of 

 students from Tufts College, leased a cottage near the present site and 



