15 



provided with globe valves and nozzles, to which rubber pipe 

 can be attached and the water led to a vessel below : there are 

 fifty such taps, each of which can supply water or air to at least 

 three or four jars. The overflow runs into gutters laid along- 

 side the tables, leading into the main drain pipe. To aerate the 

 salt water, I use an injector invented by Professor Richards of the 

 Institute of Technology. This can be used to supply aerated 

 water directly to the jar by providing it with a siphon overflow, 

 or the aerated water can be collected in a receiver, from which 

 air alone is then led to the jar. This latter course is the only 

 practical one for delicate specimens, and for the bulk of the 

 work of raising embryos. The east and west sides have large 

 windows and doore provided with blinds ; they always remain 

 open, with the blinds closed to keep out sun-light, and serve 

 to ventilate the Laboratory thoroughly. Large tables for dissec- 

 tion, covered with slate and adjoining a sink provided with fresh 

 and salt water, are placed across the windows of these sides. 



Ever since the closing of the school at Penikese, it has been 

 my hope to replace, at least in a somewhat different direc- 

 tion, the work which might have been carried on there. It was 

 impossible for me to establish a school on so large a scale ; but 

 I hope, by giving facilities each year to a few advanced students 

 from the Museuni and teachers in our public schools, to prepare, 

 little by Httle, a small number of teachers, who will have had 

 opportunities for pursuing their studies hitherto unattainable. 

 The material to be obtained at Newport is abundant. The 

 dredging is fair, and not difficult, as the depth in the immediate 

 neighborhood does not exceed twenty to thirty fathoms. The 

 pelagic fauna, however, is the most abundant. During the 

 course of each summer, by the use of the dip-net, representa- 

 tives of all the more interesting marine forms are sure to be 

 found. With my small steam launch, a large space can always 

 be traversed any evening, and advantage taken of the condition 

 of the wind and tide, the launch being amply large for easy 

 dredging in the moderate depths of the entrance of NaiTagansett 

 Bay. The Laboratory is placed on a point at the entrance of 

 Newport Harbor, past which sweeps the body of water brought 

 by each tide into Narragansett Bay, and carrying with it every 

 thing which the prevailing south-westerly winds drive before it. 



