1899J 



MICROSCOPICAL JOURNAL. 



2^7 



reaches the surface, and ultimately assumes a fan-like 

 form with a few growing points slightly in advance of 

 the main body. The surface of the expanded portion is 

 plentifully furnished with rather short, stout append- 

 ages; the tubular part is also provided with similar 

 organs for some distance from the expanded part, but 



.&> 









^^^a- 



more sparingly, the portion near the original point of 

 entry being destitute. Very frequently the surface is 

 eroded to some extent, thus exposing the interior of the 

 organism. Rather rare. Appears to be a comparatively 

 shallow-water form ; coral-reef material has furnished the 

 majority of the specimens. Fig. 12 x 300. 



Merits of Different Objectives. 



DR. PIERCE TYRRELL. 

 It is amusing to hear the miserable German or Con- 

 tinental stands praised so highly by college professors 

 and men that never had a chance to use a first-class in- 

 iustrument made in America with a good mechanical 

 stage I have used a professional Bulloch stand for 35 

 years. It works as perfectly to-day as ever. 



