Table 1.

Case injection details

Target	Tracer	Cases	Site #	Amount/site	Survival
Anterior	2% WGA	2	n.a.	25–50 µl	4 days
L. anterior R. vitreous	2% WGA–HRP	4	n.a.	25–50 µl	4 days
Ciliary ganglion	WGA–HRP/HRP	2a	n.a.	n.a.	1 day
Pretectum	1% WGA–HRP	1	3	0.03 µl	1 day
Pretectum	4% Biocytin	2a	2–3	0.2 µl	1 day
Pretectum	10% BDA	4	− 2	0.1–0.4 µl	21 days
Pretectum	2.5% PhaL	2	1	n.a.	14 days

n.a. not applicable

^aOne case had both a ciliary ganglion and pretectal injection