ORTHONECTIDA. 
Verm, 13 
where there is (pp. 372-378) a note by A. Giard, pointing out that 
there are certain peculiarities in Tornaria which require further study 
for a complete knowledge of their significance, and directing attention 
to the peculiarities of the genital organs of the Echinoideay as affording 
support to Metschnikoff ’s doctrine. Giard has no sympathy with those 
who would associate Balanoglossus with the Tunicata. 
A preliminary notice by C. Julin, on the development and organisation 
of the Orthonectida ; BulJ. Ac. Belg. (3) i. pp. 504-613. 
